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Missed Shot: Lawsuit Against Related Company Doesn’t Toll Prescriptive Period

The US Court of Appeals for the Fifth Circuit affirmed a district court’s decision to dismiss claims under the Louisiana Unfair Trade Practices Act (LUTPA), finding that a dispute against a related company did not toll the statute of limitations. Carbon Six Barrels, LLC v. Proof Research, Inc., Case No. 22-30772 (5th Cir. Sept. 29, 2023) (Clement, Elrod, Willett, JJ.)

Proof Research and Carbon Six Barrels both manufacture gun barrels made of carbon fiber. Proof was the first of the parties to enter the market and in 2013 trademarked the unique mottled appearance of its barrels. In 2016, Proof discovered that Carbon Six intended to manufacture and sell similar-looking carbon-fiber barrels and sent a cease-and-desist letter. Carbon Six began production in 2017, sourcing barrel blanks from its sister company McGowen Precision Barrels. Proof filed a trademark infringement suit against McGowen, instead of Carbon Six, in the District of Montana. McGowen initiated a separate proceeding in the Trademark Trial & Appeal Board to cancel Proof’s trademark and was successful in doing so.

After the Board cancelled Proof’s trademark, Carbon Six sued Proof in the Middle District of Louisiana alleging that Proof fraudulently registered its trademark, violated LUTPA, and defamed Carbon Six during the initial litigation and Board proceeding. McGowen brought a similar suit in the District of Montana. Proof asserted several defenses in the lawsuit filed by Carbon Six, including a Rule 12(b)(6) motion to dismiss for failure to state a claim, arguing that Carbon Six’s claims were both untimely and legally insufficient. The district court denied Proof’s other defenses but granted the Rule 12(b)(6) motion, finding that Carbon Six’s claims were time-barred by Louisiana’s one-year prescriptive period and that Carbon Six’s LUTPA claim was also legally insufficient. Carbon Six appealed.

The Fifth Circuit affirmed, explaining that LUTPA has a one-year prescriptive period and that there was no doubt that the violations alleged by Carbon Six occurred more than a year before Carbon Six filed suit in early 2022. The Court reviewed all actions that could potentially give rise to liability under LUTPA and stated that even if any of these acts could give rise to liability, all actions occurred more than a year before Carbon Six’s suit.

Carbon Six attempted to rely on the continuing tort doctrine, alleging that the acts continuously violated LUTPA up until the Board cancelled Proof’s trademark in May 2021. Reviewing Louisiana law, the Fifth Circuit determined that the general principle of a continuing tort is a conduct-based question “asking whether the tortfeasor perpetuates the injury through overt, persistent, and ongoing acts.” The Court agreed with the district court that LUTPA’s prescriptive period is not suspended if a perpetuator of fraud fails to correct false statements, as that proposition would transform almost every business dispute into a continuing tort. The Fifth Circuit also determined that the district court’s conclusion that Carbon Six could not recover for Proof’s lawsuit against McGowan was correct, because the law supported the position that a sister corporation cannot sue on behalf [...]

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Sins of the Fathers? Grandparent IPR Factors into Current Institution Decision

US Patent & Trademark Office (PTO) Director Kathi Vidal vacated and remanded a Patent Trial & Appeal Board decision denying institution of an inter partes review (IPR) because the Board improperly applied the precedential Advanced Bionics framework in rendering its decision. Keysight Tech., Inc. v. Centripetal Networks, Inc., IPR2022-01421 (PTAB Decision Review Aug. 24, 2023) (Vidal, Dir.)

Keysight Tech. petitioned for an IPR proceeding against a patent owned by Centripetal Networks, challenging the validity of all claims. After the Board denied institution, Director Vidal issued a sua sponte director review decision, vacating and remanding the Board’s decision.

The Centripetal patent is the great-grandchild of, and shares the same disclosure as, an earlier Centripetal patent that was subject to an IPR proceeding during the pendency of the presently challenged patent. The Final Written Decision (FWD) in the earlier IPR found all claims of the patent unpatentable. The patent owner included that FWD in an Information Disclosure Statement (IDS) submitted during the prosecution of the presently challenged patent, and the examiner initialed it as having been considered.

In its decision denying institution, the Board cited the guidance of Advanced Bionics, which articulates a framework that requires that the Board determine the following:

  • Whether the same or substantially the same prior art or arguments made in the petition were previously presented to the PTO during prosecution of the challenged patent
  • Whether the PTO erred in a manner material to the patentability of the challenged claims when it allowed the claims of the patent.

If both factors are met in the affirmative, the Board should not exercise its discretion to deny institution.

Here, the Board found that the first factor of the Advanced Bionics framework was met because the petitioner’s arguments in its petition were the same or substantially the same as those in the FWD in the IPR of the grandparent patent. However, the Board found that the second part of the framework was not satisfied and therefore denied institution.

Although Director Vidal agreed with the Board’s findings under the first factor, she vacated the Board’s findings pursuant to the second factor after determining that this factor was also met. Director Vidal found that the PTO erred in a manner material to the patentability of the challenged claims for the following reasons:

  • The challenged patent and the grandparent were directed to the same subject matter.
  • The prior art references submitted to the PTO during the prosecution of the challenged patent were the same as those asserted in earlier IPR and were considered by the examiner through the patent owner’s IDS.
  • In the grandparent IPR, the Board held all of the claims of the patent unpatentable due to these same prior art references.
  • The examiner’s statement of reasons for allowing the challenged patent was that the claims were directed to limitations that appeared in both the currently challenged claims and the claims found unpatentable in the grandparent patent.

As the director noted, the overlap between the claim limitations in the [...]

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Common Sense: Nonparties Not Precluded by Ex Parte Reexamination Termination

In a precedential decision, the US Patent & Trademark Office (PTO) Trademark Trial & Appeal Board denied a motion for judgment based on either claim or issue preclusion, and in the alternative for a show cause order, in a challenger’s petition. Common Sense Press Inc. d/b/a Pocket Jacks Comics v. Ethan Van Sciver and Antonio J. Malpica, Cancellation No. 92075375, 2023 BL 171365 (TTAB May 19, 2023) (Wellington, Pologeorgis, English, ATJs).

Common Sense Press filed a petition to cancel the registration for the mark “Comics Gate” for comics. In its petition, Common Sense asserted claims of nonuse, abandonment and fraud. The Respondents denied the allegations in the petition and also raised unclean hands by petitioner as a defense.

Common Sense also requested reexamination of the “Comics Gate” mark, which the PTO Director instituted on May 9, 2022. The cancellation proceeding was suspended pending the outcome of the reexamination. The Respondents were instructed to submit evidence to establish use of their mark for comics as of the August 13, 2020, deadline for filing a statement of use, as required under Section 1(d) of the Lanham Act.

The Respondents’ Section 1(d) statement showed that the “Comics Gate” mark was used in connection with comics sales in interest commerce and that such comics were provided via interest trade channels during the relevant period. In view of the Respondents’ evidence, the PTO Director determined that use had been demonstrated for comics and terminated the reexamination.

With the Notice of Termination in hand, the Respondents requested that the Board enter judgment in their favor in the cancelation proceeding as to nonuse and abandonment based on issue preclusion or, in the alternative, issue a show cause order to Common Sense as to why judgment should not be entered against them.

The Board denied the Respondents’ request, reasoning that termination of a reexamination proceeding does not preclude future nonuse challenges. Nor does such a reexamination termination decision have preclusive effect on a petitioner seeking cancellation, even if the petitioner requested the terminated reexamination. Citing due process concerns, the Board explained that the termination of an ex parte reexamination proceeding in which the petitioner necessarily does not participate may not serve as a basis for preventing the petitioner from raising even identical challenges in another action. The Board further noted that while the applicable statute “contains explicit estoppel provisions that bar the filing of future expungement or reexamination proceedings as to the identical goods or services once a proceeding of the same kind has been instituted . . . neither the statute nor regulations set forth a limitation on any party’s ability to petition to cancel a registration just because it is or has been the subject of a reexamination or expungement proceeding.” Thus, the Board concluded there is no basis to issue a show-cause order to a litigant who never appeared in a prior action.

Practice Note: This case serves as a reminder of the metes and bounds of an ex parte reexamination or expungement proceeding. Although [...]

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Neither Narrow Proposed Claim Construction nor Work Product Claim Justify Withholding Material Factual Information

The Patent Trial & Appeal Board of the US Patent & Trademark Office (PTO) canceled all challenged claims across five patents because the patent owner failed to meet its duty of candor by selectively and improperly withholding material information that was inconsistent with its patentability arguments. Spectrum Solutions, LLC v. Longhorn Vaccines & Diagnostics, LLC, IPR2021-00847; -00850; -00854; -00857; -00860 (PTAB May 3, 2023) (Braden, Yang, Derrick, Pollock, APJs) (per curiam) (Braden, APJ concurring).

The Board instituted inter partes reviews (IPRs) against five Longhorn patents based on petitions filed by Spectrum. During the proceedings, Longhorn filed motions to amend, after which the Board issued preliminary guidance suggesting that Spectrum established a reasonable likelihood that the proposed substitute claims were unpatentable. Longhorn engaged Assured Bio Labs (ABL) to conduct biological testing that would support its arguments distinguishing a prior art reference, but Longhorn made attorney work product objections in Spectrum’s ABL depositions and withheld testing data inconsistent with its arguments on the patentability of the original and proposed substitute claims. The Board subsequently allowed additional questioning on certain ABL testing, after which Spectrum filed a motion for sanctions, requesting judgment against Longhorn, a finding that the prior art reference taught the claim limitations and precluding Longhorn from contesting the finding, and an award to Spectrum of compensatory expenses, including attorneys’ fees.

The Board determined that sanctions of adverse judgment as to all challenged claims was appropriate because Longhorn failed to meet its duty of candor and good faith. The Board explained that parties have a duty of candor and good faith before the Board that requires any factual contentions to be well supported by evidence. Parties have “a duty to disclose to the [PTO] all information known . . . to be material to patentability.” (37 C.F.R. §1.56(a).) Information is material to patentability when it is “not cumulative to information already of record or being made of record in the application and . . . it refutes, or is inconsistent with, a position the applicant takes in . . . asserting an argument of patentability.” Taking a position contrary to any known fact while shielding factual information from the Board violates the duty of candor and good faith to the PTO, even if the party may otherwise withhold the information as being immaterial to patentability or privileged.

The Board criticized Longhorn’s proposed claim constructions as too narrow and contrary to the express language in both the original and proposed substitute claims. The Board explained that although Longhorn was free to maintain arguments grounded on Longhorn’s claim constructions, that did not excuse Longhorn’s duty of candor and good faith dealing, including disclosing material information relating to the Board’s preliminary claim constructions. Longhorn could not “simply withhold information” that the PTO would find material to patentability and should instead contest the Board’s constructions at trial.

The Board also explained that Longhorn took an overly strict view of what was material to claim patentability and a lax view as to the duty of candor [...]

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Claim Duality: Multiple Dependent Claims Can Be Both Patentable and Unpatentable

Addressing, for the first time, the issue of patentability of multiple dependent claims under 35 U.S.C. § 112, fifth paragraph, the Director of the US Patent & Trademark Office (PTO) granted rehearing and modified the Patent Trial & Appeal Board’s (Board) Final Written Decision after finding that the patentability of a multiple dependent claim should be considered separately as to each of the claims from which it depends. Nested Bean, Inc. v. Big Beings US Pty. Ltd. et al., IPR2020-01234 (PTO Feb. 24, 2023) (Vidal, Dir.) (precedential).

Nested filed a petition for inter partes review challenging claims 1 through 18 of a patent owned by Big Beings. Claims 1 and 2 were independent, and claims 3 to 16 were multiple dependent claims, which depended directly from either claim 1 or 2. The Board granted institution and ultimately issued a Final Written Decision finding that Nested did not establish that claims 1, 17 and 18 were unpatentable, but that Nested had established that claims 2 through 16 were unpatentable.

Big Beings filed a Request for Director review, noting that each of claims 3 to 16 were multiple dependent claims that depended from both claims 1 and 2. Big Beings argued that because the Board found that Nested failed to show that claim 1 was unpatentable, the Board should have also found that Nested failed to show that claims 3 through 16, as depending from claim 1, were unpatentable. The Director granted review.

35 U.S.C. § 112, fifth paragraph, states, in relevant part, “[a] multiple dependent claim shall be construed to incorporate by reference all the limitations of the particular claim in relation to which it is being considered.” Big Beings argued that the statute requires the Board to separately consider the patentability of alternative dependencies of a multiple dependent claim. Nested responded by arguing that the statute should be read so that if any version of a multiple dependent claim is found unpatentable over the prior art, then all versions of the claim should be found unpatentable.

The Director found that this was an issue of first impression. Relying on 37 C.F.R. § 1.75(c) and 35 U.S.C. § 282, the Director concluded that “a multiple dependent claim is the equivalent of several single dependent claims. Thus, in the same way that the unpatentability of multiple single dependent claims would each rise or fall separately, so too should the dependent claims covered by a multiple dependent claim.” The Director also noted that the Federal Circuit in Dow Chemical and Dayco Products explained that “not addressing claim validity on an individual basis is an error and contravenes 35 U.S.C. 282[.]” The PTO Director concluded, quoting the Manual of Patent Examining Procedure (MPEP), that “a multiple dependent claim must be considered in the same manner as a plurality of single dependent claims.”




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Little Weight Given to Conclusory Expert Declaration That Repeats IPR Petition Verbatim

The US Patent & Trademark Office Director affirmed and designated as precedential a Patent Trial & Appeal Board (Board) decision denying institution of an inter partes review (IPR) petition where the expert declaration presented conclusory assertions without underlying factual support and repeated verbatim the petitioner’s argument. Xerox Corp. v. Bytemark, Inc., IPR2022-00624 (PTAB Aug. 24, 2022) (Wood, Grossman, Tartal, APJs); Xerox Corp. v. Bytemark, Inc., IPR2022-00624 (Feb 10, 2023) (Vidal, Dir.)

Bytemark owns a patent directed to a method and system for distributing electronic tickets. According to the patent, a user can procure and store an electronic ticket on a device such as a mobile phone, and when the user presents the ticket, the ticket taker can verify the ticket by inspecting a visual object that a human can perceive without a machine scan. In addition to using a validating visual object, the patent teaches data integrity checking to ensure that the ticket data and the software managing that ticket data on the user’s device has not been altered improperly. As to the data integrity concept, the claims of the patent recite a server that is configured to “store in a data record associated with the user account a data value indicating the fraudulent activity” (fraud limitation).

Xerox filed an IPR petition challenging certain claims of the patent as obvious over the Terrell prior art reference in combination with various secondary references. Xerox argued that Terrell disclosed that after fraudulent activity is detected, “the purchaser of the ticket could be blocked from further use of the system or pursued in respect of their potential fraud.” Xerox asserted that a skilled artisan would understand that such blocking would require recording the blocking in a data record associated with that user’s account, and would find it obvious that blocking the account of the purchaser from further use of the system would include storing a data value indicating the fraudulent activity in a data record associated with the user account.

Bytemark responded that Terrell, at most, taught blocking a ticket purchaser from further use of the Terrell system based on potential fraud, but nowhere indicated that this would be achieved by using a data value indicating fraudulent activity, as opposed to some other manner of blocking a user, such as deleting the user’s account or reporting the user for fraud. Bytemark further argued that Xerox’s argument that a skilled artisan would find the fraud limitation obvious was conclusory and an improper attempt to use a skilled artisan’s common knowledge to supply a wholly missing claim limitation without evidentiary support.

The Board agreed with Bytemark, finding that Xerox did not provide sufficient evidence or persuasive reasoning to support either of Xerox’s arguments. The Board explained that Terrell taught blocking the purchaser rather than the account of the purchaser and that it was far from clear that blocking the purchaser would “require” recording the blocking in a record in the purchaser’s account, as opposed to deleting the purchaser’s account altogether. The Board noted that the [...]

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Took a DNA Test, Turns Out “100% THAT BITCH” Is 100% Registrable

Addressing a refusal to register for failure to function as a trademark, the Trademark Trial & Appeal Board (Board) reversed, finding that the evidence of consumer perception of “100% THAT BITCH” did not demonstrate that the proposed mark is such a widespread and common expression that it failed to function as a source identifier. In re Lizzo LLC, Serial Nos. 88466264, 88466281 (TTAB Feb. 2, 2023) (Cataldo, Pologeorgis, Coggins, ATJ).

World-renowned, Grammy-winning artist Lizzo, through her company, Lizzo LLC, filed two applications to register 100% THAT BITCH for use in connection with clothing and related goods in International Class 25. The mark is a reference to a lyric (“I just took a DNA test, turns out I’m 100% that bitch”) from her chart-topping hit, “Truth Hurts.” The US Patent & Trademark Office (PTO) issued an office action refusing to register the mark based on failure to function as a trademark under Sections 1, 2 and 45 of the Trademark Act. Specifically, the examining attorney asserted that the phrase is a “commonplace expression widely used by a variety of sources to convey an ordinary, familiar, well-recognized sentiment.” The PTO denied the request for reconsideration, and Lizzo appealed.

In assessing a refusal to register for failure to function as a trademark, the Board must look to consumer perception of the mark; specifically, whether the mark serves merely an ornamental or informational purpose rather than a source-identifying one. In this case, the relevant consumer consists of the general public, as there were no limitations on the channels of trade or classes of consumers identified in the applications. The examining attorney argued that the evidence demonstrated only that the mark, as used on the relevant goods, portrayed “a message of self-confidence and female empowerment used by many different entities in a variety of settings”—a message that Lizzo “did not originate[,] . . . but merely popularized.”

The Board discounted much of the evidence proffered to show that the mark was ornamental as it largely all referred to Lizzo, her music and/or her song, “Truth Hurts,” demonstrating that “consumers encountering 100% THAT BITCH on the specific types of clothing identified in the application—even when offered by third parties—associate the term with Lizzo and her music.” The Board further noted that all of the evidence regarding third-party use corresponded with the release of Lizzo’s “Truth Hurts”—a correlation that suggests the term was not widely known or used until Lizzo popularized it.

Although there was no disagreement that the proposed mark conveys a “feeling of female strength, empowerment and independence,” the Board found that the record supported that “most consumers would perceive 100% THAT BITCH used on goods in the application as associated with Lizzo rather than as a commonplace expression.” Accordingly, the Board reversed the refusal to register.




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PTO and Copyright Office Seek Public Comments on Non-Fungible Tokens

On November 23, 2022, the US Patent & Trademark Office and the US Copyright Office announced that they are seeking public input on intellectual property (IP) considerations related to non-fungible tokens (NFTs). The agencies will hold three public roundtables directed to patents, trademarks and copyrights, respectively, scheduled as follows:

  • January 10, 2023 – Patents and NFTs
  • January 12, 2023 – Trademarks and NFTs
  • January 18, 2023 – Copyrights and NFTs.

The roundtables will be livestreamed, and the agencies will post instructions for registration to view them live. Requests to participate as a panelist in any of the roundtables must be received by December 21, 2022, to be considered.

The agencies also issued a request for comments, soliciting answers to 13 questions of particular interest:

  1. Describe current and potential future uses of NFTs in your field or industry.
  2. Describe any IP-related challenges or opportunities associated with NFTs or NFT markets.
  3. Describe how NFT markets affect the production of materials subject to IP protection.
  4. Describe whether, how and to what extent NFTs are used by or could be used by IP rights holders to
    1. Document the authenticity of an asset
    2. Document the seller’s ownership of or authority to sell an asset
    3. Document the seller’s authority to transfer any relevant or necessary IP rights associated with an asset
    4. Document any limitations related to IP rights surrounding the sale, or the purchaser’s use, of an asset.
  5. Describe whether, how and to what extent NFTs present challenges for IP rights holders, or those who sell assets using NFTs, with respect to the activities described in question 4.
  6. Describe whether, how and to what extent NFTs are used by, could be used by, or present challenges or opportunities for IP rights holders to
    1. Obtain their IP rights
    2. Transfer or license their IP rights
    3. Exercise overall control and management of their IP rights
    4. Enforce their IP rights.
  7. Describe how and to what extent copyrights, trademarks and patents are relied on, or anticipated to be relied on, in your field or industry to
    1. Protect assets that are associated with NFTs
    2. Combat infringement associated with NFT-related assets offered by third parties
    3. Ensure the availability of appropriate reuse of NFT-related assets.
  8. Are current IP laws adequate to address the protection and enforcement of IP in the context of NFTs? If not, explain why and describe any legislation you believe should be considered to address these issues.
  9. Describe any IP-related impacts those in your field or industry have experienced in connection with actual or intended uses of NFTs. Describe any legal disputes that have arisen in the following contexts, and the outcome of such disputes, including citations to any relevant judicial proceedings:
    1. The relationship between the transfer of an NFT and the ownership of IP rights in the associated asset
    2. The licensing of IP rights in the asset associated with an NFT
    3. Infringement claims when either (i) an NFT is associated with an asset in which another party [...]

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Another Kind of Term Limit: Delay Resulting from After-Allowance Amendments Deducted from PTA

The US Court of Appeals for the Federal Circuit affirmed the US Patent & Trademark Office’s (PTO) decision on a patent term adjustment (PTA), finding that it was appropriate to deduct days from a patent term when the applicant files an amendment after notice of allowance and could have completed prosecution earlier by withdrawing the amendment or abstaining from filing it in first instance. Eurica Califorrniaa v. Vidal, Case No. 22-1640 (Fed. Cir. Nov. 7, 2022) (Lourie, Dyk, Hughes, JJ.) (per curiam) (non-precedential).

Eurica Califorrniaa is the sole inventor of a patent application entitled “nondestructive means of ectopic pregnancy management,” which was filed on March 15, 2014. Near the close of an extended patent prosecution, the examiner identified minor additional changes to the claim language of the patent application that would place it in position for allowance. The examiner unilaterally made the amendments and provided Califorrniaa a notice of allowance. In response, Califorrniaa requested an interview with the examiner and provided a list of further proposed amendments that included changes to the examiner’s amended claim limitations as well as substantive changes unrelated to the Examiner’s Amendments. Following the interview, Califorrniaa formally submitted his proposed amendments for the examiner’s consideration. As a result, the PTO deducted 51 days from the adjusted patent term of the patent to account for the time it took the examiner to consider and accept Califorrniaa’s post-allowance amendments. Califorrniaa appealed the PTO’s calculations, first to the district court (which affirmed the PTO) and then to the Federal Circuit.

The PTO may extend the nominal 20-years-from-filing patent terms to account for each day of delay attributable to the PTO, minus the number of days of delay attributable to an applicant’s failure to engage in reasonable efforts to conclude prosecution. Congress has granted the PTO authority to define when this “reasonable efforts” standard is not met, and the PTO has created regulations to address the issue. In 2019, the Federal Circuit issued its decision in Supernus v. Iancu, finding that the PTO failed to properly consider whether the applicant reasonably engaged in efforts to conclude prosecution. In response, the PTO adjusted its regulations to distinguish between post-allowance amendments expressly requested by the PTO and those voluntarily made by the applicant, and to change the relevant timeframe for the calculation of a reduction in PTA. The PTO’s regulations state, in part, that an applicant’s decision to amend their patent application after the examiner has issued a notice of allowance is not a reasonable effort to conclude prosecution.

Unlike its ruling in Supernus, where no identifiable effort to conclude prosecution existed, here the Federal Circuit agreed with the PTO’s finding that Califorrniaa could have, at any time, withdrawn his post-allowance amendments and accepted the examiner’s amendments to conclude prosecution. As such, an “identifiable effort” existed by which Califorrniaa could have avoided additional delay and concluded prosecution. Therefore, the Court affirmed the 51-day deduction of the patent term.

The Federal Circuit also found that the PTO’s post-Supernus updates to [...]

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Establishing Indefiniteness Requires More Than Identifying “Unanswered Questions” Part II

Earlier this year, the US Court of Appeals for the Federal Circuit reversed a district court decision for relying on an incorrect standard for indefiniteness. (Nature Simulation Systems Inc. v. Autodesk, Inc). Now, in response to a motion for panel rehearing, the Federal Circuit modified its decision on rehearing deleting language. Nature Simulation Systems Inc. v. Autodesk, Inc., Case No. 20-2257 (Fed. Cir. Oct. 17, 2022) (Lourie, Dyk, Newman JJ.) (Dyk, J., dissenting)

Nature Simulations Systems asserted two patents against Autodesk (one a continuation-in-part of the other), both entitled “Method for Immediate Boolean Operations Using Geometric Facets.” According to the patents, the claimed methods are improvements upon a “Watson” method known in the prior art. The district court concluded that two terms—“searching neighboring triangles of the last triangle pair that holds the last intersection point” and “modified Watson method”—were invalid as indefinite based on “unanswered questions” regarding the scope of the claims posed by Autodesk’s expert. In the first reported decision, the Federal Circuit reversed. The Court held that the “unanswered questions” analysis used an incorrect legal standard, citing the specification as clarifying the scope of the claims and citing case law on deference to US Patent & Trademark Office examiners.

Following rehearing, the Federal Circuit slightly modified its decision in two primary ways but maintained its reversal of the district court’s ruling on indefiniteness.

First, the Federal Circuit added an explanation regarding how the specification answers the questions raised by Autodesk. The Court stated that “the language that the court stated ‘is not contained in the claim language’ is in the specification,” and cited a flowchart and accompanying description in the patent. The Court found fault in Autodesk’s argument because “[t]he claims set forth the metes and bounds of the invention; they are not intended to repeat the detailed operation of the method as described in the specification.”

Second, the Federal Circuit backed away from its previous reliance on deference to the examiner. In its earlier decision, the Court explained that the examiner had issued rejections for indefiniteness but withdrew them after amendments to the claims. The Court then spent a little over a page of the opinion explaining that, as official agency actors experienced in the technology and legal requirements for patentability, patent examiners are entitled to “appropriate deference.” Following rehearing, the Court removed the portion of the opinion addressing examiner deference entirely while maintaining the criticism that the district court gave “no weight to the prosecution history showing the resolution of indefiniteness by adding the designated technologic limitations to the claims.” In support, the Court cited cases holding that claims are construed in light of the specification and file history from the perspective of skilled artisans.

Judge Dyk again dissented, stating that “[t]he fact that a patent examiner introduced the indefinite language does not absolve the claims from the requirements of 35 U.S.C. § 112.” Judge Dyk argued that far from adopting a flawed “unanswered questions” analysis, the district court’s analysis was detailed and [...]

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