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Motivation MIA? Federal Circuit Sends IPR Back to the Drawing Board

by Keval Amin | Jan 9, 2025 | Patents

The US Court of Appeals for the Federal Circuit vacated and remanded a Patent Trial & Appeal Board decision, finding that the Board erred by failing to explain its holding and reasoning regarding a motivation to combine prior art references. Palo Alto Networks, Inc. v. Centripetal Networks, LLC, Case No. 23-1636 (Fed. Cir. Dec. 16, 2024) (Stoll, Dyk, Stark, JJ.)

Centripetal Networks owns a patent directed to correlating packets in communications networks, introducing an innovative system designed to enhance network security. The patent focuses on packets (small data segments that collectively form larger communications) and their correlation across network boundaries.

Palo Alto Networks challenged the patent’s validity in an inter partes review (IPR) and argued its obviousness based on three prior art references. The first reference described a system using hashing techniques to identify packets traversing network address translation boundaries and teaching how to correlate packets across such boundaries to identify hosts transmitting or receiving them. The second reference detailed methods for detecting unauthorized traffic directed to unused IP addresses, notifying administrators of potential threats, and enabling automated responses, such as blocking or filtering malicious traffic. The reference taught notifying administrators how to manage packets involved in malicious activity after they crossed a network boundary.

Palo Alto argued that combining the packet correlation techniques of the first reference with the notification mechanisms of the second addressed a key claim limitation of the challenged patent. Palo Alto contended that transmitting an indication of a malicious host, as taught by the second reference, naturally followed from the correlation system described in the first. However, the Board found that Palo Alto failed to provide sufficient evidence or argument to show that a person of ordinary skill in the art (POSITA) would recognize the claimed responsiveness between the first reference’s packet correlation and the second reference’s notification mechanisms. Palo Alto appealed.

The Federal Circuit vacated and remanded the Board’s decision, finding that the Board erred by failing to clearly articulate its rationale regarding the motivation to combine the prior art references and whether their combination satisfied the critical limitation of the challenged patent claim. The Court emphasized that the proper inquiry in an obviousness analysis is not whether each reference individually discloses all claim elements but whether their combination would have rendered the invention obvious to a POSITA.

Palo Alto maintained that the Board did not dispute the existence of a motivation to combine and improperly searched for a “bridge” solely within the two references. Centripetal countered that Palo Alto had not established a motivation or provided evidence of a necessary connection – or “bridge” – between the prior art and the claimed invention.

The Federal Circuit determined that the Board’s decision lacked a definitive finding on whether a POSITA would have been motivated to combine the first reference’s correlation techniques with the second reference’s notification step. The Court noted that Palo Alto presented logical and evidentiary support as to why such a combination would make sense, arguing that without a notification step, the [...]

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For Deterrence: Inherent Power to the Rescue to Punish Meritless Lawsuit

by James M. Oehler | Dec 19, 2024 | Patents

The US Court of Appeals for the Federal Circuit affirmed a district court’s decision to use its inherent power to award deterrence sanctions for filing a nuisance patent infringement lawsuit. PS Products Inc. v. Panther Trading Co. Inc., Case No. 2023-1665 (Fed. Cir. Dec. 6, 2024) (Moore, Stoll, Cunningham, JJ.)

PSP filed a design patent infringement lawsuit against Panther. PSP voluntarily dismissed the case with prejudice after Panther threatened to seek Rule 11 sanctions for the filing of a frivolous lawsuit. After the case was dismissed, Panther filed a motion seeking its attorneys’ fees under 35 U.S.C. § 285 and $100,000 in deterrence sanctions under the court’s inherent power. The district court found the case exceptional under § 285 and awarded Panther its attorneys’ fees. The district court also found PSP and its counsel joint and severally liable for $25,000 in deterrence sanctions. PSP did not appeal the finding that the case was exceptional or the decision to grant attorneys’ fees, but it did appeal the award of deterrence sanctions under the court’s inherent power.

Design patent infringement requires showing that an ordinary observer would find the accused product and claimed design “substantially the same” such that the observer would be deceived into believing that the accused product was the patented design. However, in some cases the accused product and the patented design are “plainly dissimilar” such that it would be clear to an ordinary observer the two designs were not “substantially the same.”

The Federal Circuit affirmed the district court’s award of deterrence sanctions, finding that the district court did not err by inferring PSP’s bad faith conduct based on the clear lack of legal merit of the case against Panther. The Court found that Panther’s accused product was “plainly dissimilar” to the patented design (shown below), such that PSP’s case was a nuisance lawsuit.

The Federal Circuit found that bad faith was also reasonably inferred based on PSP’s history of filing 25 meritless lawsuits in the same district, even though the district court did not analyze each suit. PSP cited the general venue statute in all 25 lawsuits rather than the required patent-specific venue statute, and PSP did not have proper venue in the lawsuit against Panther.

The Federal Circuit also found no abuse of discretion when the district court imposed sanctions under its inherent power. Rule 11 sanctions were unavailable since the case was already dismissed, but the district court had no other mechanism to sanction PSP’s bad faith conduct of filing multiple meritless lawsuits except the court’s inherent power. Finally, the Court found that imposing deterrence sanctions under the district court’s inherent power was proper even when it had already awarded attorneys’ fees and costs under § 285 because the statute does not preclude separate sanctions.

The Federal Circuit declined to award Panther its attorneys’ fees for the appeal because while PSP’s [...]

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New Year, New Fees: PTO Issues 2025 Fee Schedule

by Amol Parikh | Dec 5, 2024 | Patents

The US Patent & Trademark Office (PTO) issued its final rule setting and adjusting patent fees that will take effect on January 19, 2025. 89 Fed. Reg. 91898 (Nov. 20, 2024).

The final rule sets or adjusts 433 patent fees for undiscounted, small, and micro entities, including the introduction of 52 new fees. The fee adjustments are grouped into three categories:

Across-the-board adjustment to patent fees.
Adjustment to front-end fees.
Targeted fees.

Fees not covered by the targeted adjustments will increase by approximately 7.5%. Front-end fees to obtain a patent (i.e., filing, search, examination, and issue fees) are set to increase by an additional 2.5% on top of the 7.5% across-the-board adjustment. Targeted adjustments include increasing fees related to continuing applications, design patent applications, filing excess claims, extensions of time for provisional applications, information disclosure statement sizes, patent term adjustments, patent term extensions, requests for continued examinations, suspension of actions, terminal disclaimers, unintentional delay petitions, and Requests for Director Review of a Patent Trial & Appeal Board decision.

More information, including the new fee schedule, is available on the PTO’s website.

PTO Proposes Additional Audits to Put “Specimen Farms” Out to Pasture

by Taylor MacDonald | Nov 14, 2024 | Trademarks

In response to reports that some registrants use fraudulent specimens to prove continued use in commerce, the US Patent & Trademark Office (PTO) proposed an update to its post-registration audit process. Changes in Post-Registration Audit Selection for Affidavits or Declarations of Use, Continued Use, or Excusable Nonuse in Trademark Cases, 89 Fed. Reg. 85,435 (Oct. 28, 2024).

Since its institution in 2017, the PTO’s post-registration audit process has been essentially random. Pursuant to Section 8 of the Trademark Act, trademark owners are required to file documentation in the form of affidavits of continued use indicating that the marks remain in use in connection with goods or services covered by the registration. In turn, the public relies on the trademark register for notice of marks that may be available for use and registration. The PTO conducts random audits of submitted documentation to ensure its reliability.

Since encountering various filings that revealed “systemic efforts to subvert” a trademark’s use in commerce requirement, the PTO has taken steps to expand its audit program. For example, in 2019, the office amended its examination procedures to highlight “digitally created/altered or mockup specimens” that fraudulently indicate continued use in commerce. In 2021, the PTO became aware of “specimen farms,” which are websites designed to create the illusion of commerce without providing actual sales. To combat deceptive maintenance of obsolete marks, the PTO will no longer perform only randomized audits but will also conduct audits “directed” at items that show tell-tale signs of digital alteration or specimen farm website use.

The objective of the directed audit program is “to promote the accuracy and integrity” of the trademark register. This proposed policy is open for public comments on the Federal eRulemaking Portal until November 27, 2024.

No Need to Call for Backup at the PTAB (Sometimes)

by Sydney E. McDermott | Oct 24, 2024 | America Invents Act

The US Patent & Trademark Office (PTO) published a final rule entitled, Expanding Opportunities to Appear Before the Patent Trial & Appeal Board; 89 Fed. Reg. 82172 (Oct. 10, 2024).

The new rule, set to take effect on November 12, 2024, will apply to America Invents Act (AIA) proceedings, which, until now, have required that a party designate lead counsel and backup counsel. Lead counsel was required to be a registered practitioner, and non-registered practitioners could be backup counsel upon a showing of good cause.

The PTO filed a notice of proposed rulemaking on February 21, 2024, in which it proposed amending the regulations to allow the Board to permit a party to proceed without separate backup counsel as long as lead counsel is a registered practitioner. The PTO also proposed to allow a non-registered practitioner admitted pro hac vice to serve as either lead or backup counsel for a party as long as a registered practitioner was also counsel of record for that party, and to allow a non-registered practitioner who was previously recognized pro hac vice in an AIA proceeding to be considered a Board-recognized practitioner and eligible for automatic pro hac vice admission in subsequent proceedings via a simplified and expedited process.

Citing the benefits of flexibility where good cause is shown while ensuring parties are well represented, the PTO has now issued a final rule that will allow parties to proceed without backup counsel. The PTO noted that a party may demonstrate good cause, for example, by demonstrating lack of financial resources to retain both lead and backup counsel. However, the Board will question any claim of lack of financial resources where a party has also elected to pursue litigation involving the challenged patents in other forums. As a result, this rule is more likely to benefit patentees than patent challengers. The PTO also explained that the good cause analysis will center on the party, not on the counsel’s preferences. For example, the PTO is unlikely to find good cause where the lead counsel is a solo practitioner who prefers to work alone.

The PTO also issued a final rule simplifying the process for attorneys who were previously admitted to practice before the Board pro hac vice to gain admission for subsequent matters and to do so without a fee. Any attorney seeking subsequent pro hac vice admission must file a declaration or affidavit stating that all the requirements set out by the Board are met. Opposing counsel also has the opportunity to object.

Finally, the PTO rejected an amendment that would allow non-registered attorneys to serve as lead counsel.

Don’t Tread on Illinois’ Absolute Litigation Privilege

by Connor M. Larson | Oct 17, 2024 | Trademarks

Addressing when Illinois law’s “absolute litigation privilege” bars certain counterclaims, the US Court of Appeals for the Federal Circuit affirmed a district court’s summary judgment finding that the plaintiff lacked a valid trade dress and reversed the district court’s decision that declined to apply the absolute litigation privilege as a complete defense to all of the alleged infringer’s counterclaims. Toyo Tire Corp v. Atturo Tire Corp., Case No. 22-1817 (Fed. Cir. Oct. 4, 2024) (Moore, Clevenger, Chen, JJ.) (nonprecedential).

Toyo and Atturo are competitors in the tire design business. After perceiving widespread copying of its tire designs, Toyo filed a district court action asserting design patent infringement and trade dress infringement against Atturo. Atturo asserted counterclaims, including false designation of origin under the Lanham Act and several state law counterclaims. The district court eventually dismissed with prejudice Toyo’s design patent infringement claims and proceeded with just the trade dress infringement claim.

A primary issue in the case was the description of the asserted trade dress. In its complaint, Toyo identified its trade dress merely as “the overall appearance” of its line of tires. Over the course of discovery, disputes arose concerning Toyo’s failure to distinctly describe its asserted trade dress. Toyo answered an interrogatory that requested this information with a non-limiting definition. The district court compelled Toyo to provide a more specific answer, which Toyo did by providing highlighted images.

Toyo’s fact witness was subsequently deposed under Fed. R. Civ. P. 30(b)(6) and gave answers that were inconsistent with Toyo’s interrogatory response. This led the district court to compel more testimony on what exactly the asserted trade dress contained, and which tire features met the definition of the trade dress, and which did not. On the advice of counsel, the corporate witness declined to answer more than 100 different questions. Toyo’s inability to describe its trade dress continued into expert discovery. When it served its expert reports, Toyo introduced yet another aspect of its trade dress – that the trade dress only included two-dimensional aspects. Toyo introduced this new argument to support the requirement that to qualify as trade dress the designated feature must be nonfunctional.

Atturo moved for sanctions. In granting the sanctions, the district court barred Toyo from asserting only the two-dimensional aspects of the trade dress, precluding Toyo from continually shifting its position because doing so “would effectively lead to trial by ambush.” Having struck the only argument that could save the trade dress from invalidity, the district court granted summary judgment of invalidity on both functionality and lack of secondary meaning.

Trial then proceeded only on Atturo’s counterclaims. The jury returned a verdict in favor of Atturo on six of the counterclaims, awarding $10 million in compensatory damages and $100 million in punitive damages. The district court set aside the jury verdict as it related to counterclaims of defamation and liability under the Illinois Deceptive Trade Practices Act. Both parties appealed.

The Federal Circuit affirmed the district court’s issuance of discovery sanctions, and the grant of [...]

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When Can Same Claim Limitation Have Different Meanings? When It’s Functional, Of Course

by Sydney E. McDermott | Sep 26, 2024 | Patents

Addressing for the first time whether a functional limitation must carry the same meaning in all claims, the US Court of Appeals for the Federal Circuit determined that it need not, vacating a district court decision to the contrary. Vascular Sol. LLC v. Medtronic, Inc., Case No. 2024-1398 (Fed. Cir. Sept. 16, 2024) (Moore, Prost, JJ.; Mazzant, Dist. J., by designation).

The seven patents asserted by Teleflex syin this case all come from a common application and are directed to a “coaxial guide catheter that is deliverable through standard guide catheters by utilizing a guidewire rail segment to permit delivery without blocking use of the guide catheter.” The asserted patents all share a common specification. However, the asserted claims differ in how they refer to the “side opening.” Some claims include the side opening as part of the “substantially rigid portion/segment” while other claims recite that the side opening is separate and distal to the “substantially rigid portion/segment.”

This case has a long procedural history involving an initial preliminary injunction motion and multiple inter partes reviews (IPRs). At the second preliminary injunction stage, Medtronic and the district court grouped the asserted limitations into two mutually exclusive groups:

Group One, which included the “substantially rigid portion/segment” claim limitation.
Group Two, which “required that the side opening not be in the substantially rigid portion” (emphasis supplied).

In denying Medtronic’s preliminary injunction motion, the district court questioned “how a skilled artisan could possibly be expected to understand the scope of a patent when the same device could simultaneously infringe two mutually exclusive claims within that patent.”

The district court then proceeded to claim construction. It rejected both parties’ initial constructions and appointed an independent expert – former US Patent & Trademark Office Director Andrei Iancu – to propose a construction. Teleflex argued that Iancu should adopt a split construction (i.e., one construction for the Group One limitations and another construction for the Group Two limitations). Medtronic argued that the claims were indefinite. Iancu rejected both proposed constructions but agreed with the district court on the mutual exclusivity of the two groups. The district court determined that all claims that included the “substantially rigid portion/segment” were indefinite, and since all the asserted claims included that term, the parties stipulated to final judgment. Teleflex appealed.

Teleflex argued that the district court erred in determining that the boundary of the substantially rigid portion must be the same for all claims. Medtronic argued that the claims were indefinite.

The Federal Circuit concluded that the district court erred when it determined that the Group One and Group Two limitations were mutually exclusive and indefinite. The Federal Circuit cautioned that affirming the district court’s conclusion would mean that claims in a patent cannot vary in how they claim the disclosed subject matter and that independent claims must be entirely consistent with other independent claims, neither of which is a restriction in how patentees may claim subject matter. The Federal Circuit explained that at the claim construction stage [...]

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Lower the Red Flags: Flawed Fee Award Flops

by Keval Amin | Sep 5, 2024 | Patents

The US Court of Appeals for the Federal Circuit vacated and remanded a district court decision awarding attorneys’ fees, finding that the district court abused its discretion by failing to properly explain its basis for the fee award. Realtime Adaptive Streaming L.L.C. v. Sling TV, L.L.C., Case No. 23-1035 (Fed. Cir. Aug. 23, 2024) (Albright, Dist. J., sitting by designation; Moore, Lourie, JJ.)

Realtime Adaptive Streaming sued Sling and DISH for patent infringement related to digital data compression. The district court granted DISH’s motion for summary judgment of invalidity. While the invalidity finding was on appeal, the district court granted DISH’s motion for attorneys’ fees based on six so-called “red flags” that it found should have served as warning signs to Realtime that its case was fatally flawed.

The district court explained that the first red flag was two prior court decisions against Google and Netflix, which found similar claims of Realtime’s patent ineligible as abstract ideas under 35 U.S.C. § 101. Despite these decisions, Realtime pursued its claims. The second red flag came when the Federal Circuit ruled against Realtime in a related case. The third occurred when an inter partes review (IPR) proceeding invalidated key claims of Realtime’s patent. Following a nearly two-year stay, the district court identified the fourth and fifth red flags: a non-final office action from the US Patent & Trademark Office rejecting a key claim of the remaining patent, and a letter from DISH indicating its intention to seek attorneys’ fees if Realtime continued the case. The sixth red flag was an expert declaration from DISH that addressed invalidity of the claims at issue, and which was unfavorable to Realtime. Realtime appealed the district court’s attorneys’ fees award.

The Federal Circuit concluded that the district court erred by relying on the six so-called red flags without explaining the weight for each. Addressing the first flag, the Federal Circuit agreed with the district court’s reliance on the Google and Netflix decisions because they involved a patent with a virtually identical specification and essentially the same claims. The Court disagreed with the remaining red flags. The Court found that the second red flag related to a different technology and should not have put Realtime on notice that its patent claims were meritless. With respect to the third, fourth, and fifth flags, the Federal Circuit found that the district court did not adequately explain why these decisions supported exceptionality.

With regard to the sixth flag (the expert opinion), the Federal Circuit found that the district court’s analysis was insufficient. The Court explained that it is typical in a patent infringement case for the parties’ experts to disagree on invalidity issues. The Court found that Realtime and its expert developed critiques and counterarguments to DISH’s expert’s opinions, demonstrating that Realtime did not fail to give “serious consideration” to invalidity. While the district court may have found DISH’s expert more persuasive, that fact alone should not have put Realtime on notice that its claims lacked merit.

Accordingly, the Federal [...]

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Blurred Vision: Appeal Dismissed for Lack of Standing

by Lillian Spetrino | Aug 29, 2024 | Patents

The US Court of Appeals for the Federal Circuit dismissed a patent challenger’s appeal in an inter partes review (IPR) because the challenger could not meet the injury-in-fact requirement for Article III standing. Platinum Optics Tech. Inc. v. Viavi Solutions Inc., Case No. 23-1227 (Fed. Cir. Aug. 16, 2024) (Moore, Taranto, JJ.; Checchi, Dist. J, sitting by designation).

Viavi Solutions owns a patent directed to optical filters that include layers of hydrogenated silicon and to sensor systems comprising such optical filters. Platinum Optics Technology (PTOT) petitioned for IPR. The Patent Trial & Appeal Board found that PTOT had failed to establish that the challenged claims were unpatentable. PTOT appealed.

The Federal Circuit dismissed the appeal, finding that PTOT did not have Article III standing. The Court explained that while Article III standing is not required to appear before an administrative agency (such as the US Patent & Trademark Office), such standing is required once a party seeks judicial review in an Article III federal court. PTOT argued it had standing because of potential infringement liability due to its continued distribution of a product previously accused of infringing the patent and its development of new models of the previously accused product. The Court rejected both arguments.

First, PTOT asserted that it suffered an injury in fact because there was a likelihood that Viavi would sue again. PTOT relied on a letter from Viavi stating that it did not believe PTOT could fulfill its supply agreements with noninfringing products. The Federal Circuit disagreed with PTOT’s assertion, concluding that mere speculation about the possibility of suit, without more, is insufficient to confer Article III standing. Moreover, the Court noted that Viavi’s letter was sent prior to the patent infringement suits, which were dismissed with prejudice. Thus, the Court found that PTOT had not established an injury in fact based on potential infringement liability due to its continued distribution of a previously accused product.

Second, PTOT asserted that it suffered an injury in fact based on its development of new models of the previously accused product. PTOT’s argument was supported by a declaration from a Deputy Director of Operation Management at PTOT and the same letter from Viavi threatening future suit. The Federal Circuit did not find the declaration testimony compelling. It explained that the declaration, which generally alleged that PTOT continued to develop new models of the previously accused product, did not identify any specific concrete plans for PTOT to develop a product that might implicate the patent. The declaration did not explain the particulars of these new models or how the models might relate to the patent. The Court found that the declaration was insufficient to establish that PTOT’s development activities created a substantial risk of infringement or were likely to cause Viavi to assert infringement. The Court noted that the letter from Viavi did not specifically address models in development or foreclose PTOT’s ability to develop a noninfringing product.

Thus, the Federal Circuit concluded that PTOT failed to establish an injury [...]

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NO FAKES Act Would Create Individual Property Right to Control Digital Replicas

by Sarah Bro | Aug 8, 2024 | Technology

On July 31, 2024, a bipartisan group of US senators introduced the Nurture Originals, Foster Art, and Keep Entertainment Safe (NO FAKES) Act of 2024 to protect the voice and visual likeness rights of individuals from unauthorized use in the form of digital replicas, including digital replicas created by generative artificial intelligence (AI). The bill was introduced by Senators Chris Coons (D-DE), Marsha Blackburn (R-TN), Amy Klobuchar (D-MN) and Thom Tillis (R-NC) and follows a discussion draft released in October 2023. The press release from Senator Coons’ office makes note of the many organizations that support the proposed legislation and includes quotes from representatives of SAG-AFTRA, the Recording Industry Association of America, the Motion Picture Association, OpenAI, IBM and Creative Artists Agency.

Designed to protect all individuals (not just celebrities), the bill defines a digital replica as a newly created, computer-generated, highly realistic electronic representation that is readily identifiable as the voice or visual likeness of an individual and that is embodied in a sound recording, image, audiovisual work or transmission in which the actual individual did not perform or appear, or a version of such work in which the fundamental character of the performance or appearance has been materially altered. The bill would grant each individual or right holder the right to authorize the use of their voice or visual likeness in a digital replica, which the bill states is a property right. The bill also would establish the characteristics, requirements and duration of the license rights that can be granted in a digital replica. The right to authorize the use of an individual’s voice or visual likeness in a digital replica would not expire upon the death of the individual and would be transferable and licensable (subject to certain time limitations on the post-mortem right and registration requirements with the Register of Copyrights).

The bill would create a civil cause of action for a rights holder against any person that produces or makes available to the public an unauthorized digital replica and would provide for injunctive relief, actual or statutory damages, punitive damages and attorneys’ fees. There would be a limitations period, however, and any civil action would have to be commenced no later than three years after the date on which a rights holder discovered – or with due diligence should have discovered – the violation at issue. The bill provides certain exceptions and safe harbors for the production or use of digital replicas in news, public affairs, sports, documentaries, commentary, criticism, scholarship, satire or parody, or for online services that remove or disable access to unauthorized digital replicas upon receiving a notification from the rights holder.

The bill would preempt any cause of action under state law for the protection of voice and visual likeness rights in connection with a digital replica in an expressive work, except for certain existing state statutes or common law or state statutes regulating sexually explicit or election-related digital replicas.

On August 5, 2024, the US Patent & Trademark Office hosted [...]

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