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Federal Circuit

Unclean Hands Aren’t Just for Toddlers

by Jacob Michael Bass | Apr 25, 2024 | Patents

In an action involving manufacturers of a self-sealing dining mat for toddlers, the US Court of Appeals for the Federal Circuit affirmed a district court’s finding that the defendants were barred from obtaining relief on their counterclaims under the unclean hands doctrine, thereby vacating the district court’s other findings on inequitable conduct, obviousness, attorneys’ fees and costs. Luv N’ Care, Ltd. et al. v. Laurain et al., Case No. 22-1905 (Fed. Cir. Apr. 12, 2024) (Reyna, Hughes, Stark, JJ.)

Luv N’ Care and Nouri E. Hakim (collectively, LNC) filed suit against Lindsey Laurain and Eazy-PZ (EZPZ), asserting various claims for unfair competition under the Lanham Act and Louisiana law. LNC also sought declaratory judgment that EZPZ’s design patent was invalid, unenforceable and not infringed. After the suit was filed, the US Patent & Trademark Office (PTO) issued Laurain a utility patent directed toward self-sealing dining mats. Laurain subsequently assigned her rights to EZPZ, which then asserted counterclaims for utility patent, design patent and trademark infringement.

Following discovery, the district court granted LNC’s motion for summary judgment, finding all claims of EZPZ’s utility patent as obvious in view of three prior art references. EZPZ moved for reconsideration, which the district court denied, indicating that a “ruling providing further reasoning will follow in due course.” Before any such ruling issued, the PTO issued an ex parte reexamination certificate confirming the patentability of the utility patent claims two days before the district court’s bench trial began.

EZPZ did not provide this reexam certificate to the district court prior to the bench trial. During the bench trial, the district court found that EZPZ had not committed inequitable conduct but that EZPZ’s litigation conduct constituted unclean hands. After the district court entered judgment, EZPZ moved for reconsideration of summary judgment based on the ex parte reexamination certificate. The district court denied this motion and found that the evidence did not compel alteration of the prior ruling that the utility patent was invalid. It also denied LNC’s motion for attorneys’ fees and costs. EZPZ appealed.

The Federal Circuit affirmed the unclean hands determination but vacated the district court’s rulings on inequitable conduct, invalidity, attorneys’ fees and costs. As to unclean hands, the Court reasoned that EZPZ failed to disclose patent applications related to the utility patent until well after the close of discovery and dispositive motion practice. EZPZ also blocked LNC’s efforts to discover Laurain’s prior art searches by falsely claiming that she had conducted no such searches and that all responsive documents had been produced. It further found that EZPZ witnesses, including Laurain and EZPZ’s former outside counsel, repeatedly gave evasive testimony during depositions and at trial. The Court affirmed the district court’s determination that EZPZ’s misconduct bore an immediate and necessary connection to EZPZ’s claims for infringement because the undisclosed material was directly relevant to the development of LNC’s litigation strategy and undermined LNC’s ability to press its invalidity and unenforceability challenges. The Court found no clear error in the district court’s reasoning that [...]

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Virtually Done: Computer Visualization Patents Are Ineligible for Protection

by Courtney Seams | Apr 18, 2024 | Patents

Addressing subject matter eligibility under 35 U.S.C. § 101, the US Court of Appeals for the Federal Circuit upheld the district court’s finding that patents related to computer visualizations of medical scans were patent ineligible. AI Visualize, Inc. v. Nuance Communications, Inc., Case No. 22-2019 (Fed. Cir. Apr. 4, 2024) (Moore, Reyna, Hughes, JJ.)

AI Visualize asserted four related patents, each having a substantially similar specification and the same title, against Nuance Communications. The patents are generally directed at systems and methods for users to virtually view a volume visualization dataset (a three-dimensional collection of data representing the scanned area of an MRI) on a computer without having to transmit or locally store the entirety of the dataset.

Nuance moved to dismiss the case, asserting that the claims were directed to patent-ineligible subject matter and invalid under § 101. The district court applied the two-step Alice inquiry to the claims, which the parties had grouped into three representative claims:

Claims where a web application directs the server to check what frames of a virtual view are stored locally and creates any additional frames necessary to create and display the virtual view of the medical image.
Claims with the further requirement that any previously requested virtual view be given a unique key, which the server checks for (and displays if the key exists) prior to completing the steps of the independent claim.
Claims without the requirement of checking to see if any images are stored locally.

In applying part one of Alice, the district court concluded that the asserted claims were directed to the abstract idea of “retrieving user-requested, remotely stored information” and not, as AI Visualize argued, to improvements in computer functionality. The district court then applied Alice step two and considered each of the three representative claims. The district court concluded that none of the claim limitations transformed the claims into patent-eligible applications of an abstract idea. Ultimately, the district court determined that all asserted claims were patent ineligible under § 101. AI Visualize appealed.

The Federal Circuit also applied the Alice analytical framework. Applying Alice step one, the Court considered whether the focus of the claimed advance was on an improvement in computer technologies, rather than the use of computers, and whether the claim limitations described a claimed advance over the prior art. The Court upheld the district court’s finding under Alice step one (i.e., that all three types of asserted claims were directed to an abstract idea) because the steps of obtaining, manipulating and displaying data, when claimed at a high level of generality, constitute an abstract concept. The Court did not agree with AI Visualize’s arguments that the creation of the virtual views is a technical solution to a technical problem because it requires the creation of “on the fly” virtual views at the client computer. In doing so, the Court refused to import details from the specification into the claims.

Applying Alice step two, the Federal Circuit upheld the district court’s finding that [...]

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Reasonable Royalty Available for Foreign Activities (But Not This Time)

by Amol Parikh | Apr 11, 2024 | Patents

The US Court of Appeals for the Federal Circuit affirmed a district court’s decision to preclude a patent owner from seeking damages based on method claims infringed outside of the United States but confirmed that reasonable royalties are available based on foreign activities. Harris Brumfield v. IBG LLC, Case No. 22-1630 (Fed. Cir. Mar. 27, 2024) (Prost, Taranto, Hughes, JJ.)

Trading Technologies International (TT), whose successor is Harris Brumfield, filed a lawsuit against IBG in 2010 alleging infringement of four patents directed to graphical user interfaces for commodity trading and methods for placing trade orders using those interfaces. During the underlying proceeding, the district court issued several orders. The district court granted IBG’s motion for summary judgment that the claims of two of the patents were invalid. The district court also excluded one of TT’s damages theories concerning foreign activities. Prior to trial, the district court found that two of the patents were invalid as patent ineligible and that the other two patents contained patent eligible subject matter. The district court also excluded one of TT’s damages theories concerning foreign activities.

The case proceeded to trial on the two remaining patents, and the jury found the asserted claims of those two patents infringed. IBG proposed $6.6 million in damages, which corresponds to the total demanded by IBG using IBG’s proposed royalty rate measured against domestic usage, rather than global users. By contrast, TT proposed damages of $962 million, which included all worldwide users of the accused product, regardless of whether they performed the claimed method. The jury agreed with IGB and awarded TT $6.6 million. the district court denied TT’s post-verdict motion for a new trial on damages, a motion in which TT alleged that IBG had misrepresented how it calculated the damages figures it presented to the jury. TT appealed.

Under the Supreme Court’s 2018 decision in WesternGeco v. Ion Geophysical, a patent owner can recover damages in the form of foreign lost profits when infringement is found under 35 U.S.C. § 271(f)(2) of the Patent Act. TT argued that under WesternGeco, it can seek damages in the form of a reasonable royalty based on IBG “making” the accused product in the US, even though the products were used overseas. The Federal Circuit engaged in a detailed description of WesternGeco, concluding that the Court must examine the particular acts alleged to constitute infringement under particular statutory provisions to determine if the allegations focus on domestic conduct. The Court explained that under § 271(a), the making, using, offering to sell and selling provisions are limited to domestic acts. The Court acknowledged that the WesternGeco framework applies to reasonably royalty awards (not just lost profits) and that a reasonable royalty would be the amount a hypothetical infringer would pay to engage in the domestic acts constituting the infringement.

Despite finding that reasonable royalties are permitted under WesternGeco, the Federal Circuit affirmed the district court’s exclusion of TT’s damages theory because TT’s infringement theory about making the accused product [...]

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Faulty Jury Instruction Tampered With Tamper-Proof Trial

by Keval Amin | Apr 4, 2024 | Patents

The US Court of Appeals for the Federal Circuit affirmed in part, vacated in part and remanded a district court decision after concluding that a jury instruction on the objective indicia of nonobviousness that failed to specify all indicia on which evidence had been received constituted prejudicial legal error. Inline Plastics Corp. v. Lacerta Group, LLC, Case Nos. 22-1954; -2295 (Fed. Cir. Mar. 27, 2024) (Taranto, Chen, Hughes, JJ.)

Inline Plastics owns a patent family pertaining to containers with specific tamper-proof features and methods of producing these containers using thermoformed plastic. The invention is intended to deter unauthorized tampering with products in the containers. These tamper-proof features serve to prevent theft and product loss and maintain consumer confidence in product integrity.

Inline sued Lacerta Group for patent infringement over its tamper-proof technology. The district court made several significant pretrial rulings, including a claim construction order, and granted Inline’s motion for partial summary judgment of infringement on some of the asserted claims. During trial, Inline voluntarily withdrew certain claims, and the jury returned a verdict declaring all remaining claims (even those on which summary judgment had been granted) invalid and not infringed. After trial, Inline sought partial final judgment, which was granted, but also motioned for judgment as a matter of law and a new trial on invalidity. The district court denied Inline’s motions. Both Inline and Lacerta appealed.

Inline argued that it was entitled to judgment as a matter of law of no invalidity and that an error in the jury instructions requires a new trial on invalidity. Lacerta cross-appealed, challenging the denial of attorneys’ fees and the “without prejudice” dismissal of certain patent claims that Inline voluntarily dropped from its asserted-claims list near the end of trial.

The Federal Circuit rejected Inline’s argument for judgment as a matter of law of no invalidity but agreed with Inline that the jury instruction on the objective indicia of nonobviousness constituted prejudicial legal error. The Court determined that the jury could have reasonably found obviousness and rejected Inline’s three arguments against it. First, Inline argued deficiencies in Lacerta’s prior art references and expert testimony, but the Court found these arguments unpersuasive. Second, Inline challenged Lacerta’s evidence of motivation to combine references, but the Court found enough support to prove a motivation to combine. Third, Inline argued that Lacerta’s challenge failed because there was no rebuttal or opinion on objective-indicia evidence. The Court dismissed this argument, explaining that the absence of such testimony did not necessarily discredit the patentee’s evidence on nonobviousness. According to the Court, Inline failed to explain why the jury could not reasonably assign little weight to its objective-indicia evidence, which led the Court to reject Inline’s categorical argument based on the absence of expert testimony from Lacerta’s side.

However, the Federal Circuit agreed with Inline’s argument for a new trial on invalidity. The Court explained that jury instructions must be legally correct and sufficiently comprehensive to address disputed evidence. The Federal Circuit concluded that the district court’s objective-indicia instruction [...]

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Who Solved the Problem? Joint Inventors, That’s Who

by James M. Oehler | Apr 4, 2024 | Patents

The US Court of Appeals for the Federal Circuit affirmed a district court’s decision to correct inventorship in a post-issuance inventorship dispute, finding that the alleged joint inventors’ contributions were significant even though they were mostly unclaimed. Tube-Mac Indus., Inc. v. Campbell, Case No. 22-2170 (Fed. Cir. Mar. 15, 2024) (Lourie, Hughes, Stark, JJ.) (nonprecedential).

Steve Campbell was the original sole inventor named on a utility patent application directed to a container for transporting gaseous fluids. Before Campbell filed the patent application, Campbell’s prototypes had a “major problem” with the container’s liner. Campbell enlisted the help of Tube-Mac Industries’ Gary Mackay and Dan Hewson to solve the problem. Campbell, Mackay and Hewson exchanged plans regarding the problem over the course of several months. Campbell’s patent issued, naming himself as the sole inventor. Mackay, Hewson and Tube-Mac filed suit seeking to be named as co-inventors. The district court agreed and ordered correction of the patent under 35 U.S.C. § 256. Campbell appealed.

A court may order a correction of inventorship when it determines that an inventor has been erroneously omitted from a patent. In any inventorship challenge, the inventors listed in an issued patent are presumed to be the correct inventor(s). Thus, a party challenging inventorship must prove incorrect inventorship by clear and convincing evidence. A joint inventor must contribute significantly to the invention’s conception or reduction to practice when that contribution is measured against the scope of the full invention.

The Federal Circuit found that prior to the involvement of Mackay and Hewson, Campbell did not have a viable invention that could be reduced to practice without extensive experimentation. The Court also found that Mackay’s and Hewson’s contributions solved the problem that precluded the prototype from being successful, even though their contributions were “mostly unclaimed.” The Court noted, however, that their contributions were included in the application’s figures, specifications and dependent claims. Accordingly, the Court found that Mackay and Hewson contributed significantly to the conception of the invention and should be included as co-inventors.

The Federal Circuit also dismissed Campbell’s arguments that the district court did not properly construe the claims to determine their scope and erred by misidentifying the subject matter of the claims.

What Use Does § 271(e)(1) Safe Harbor “Solely” Protect?

by Christopher M. Bruno | Apr 4, 2024 | Patents

The US Court of Appeals for the Federal Circuit affirmed that the 35 U.S.C. § 271(e)(1) safe harbor protecting certain infringing acts undertaken for regulatory approval applied to an alleged infringer’s importation of transcatheter heart systems while attending a trade conference, finding the importation reasonably related to submitting information to the US Food & Drug Administration (FDA) for medical device approval. Edwards Lifesciences Corp. v. Meril Life Sciences Pvt. Ltd., Case No. 22-1877 (Fed. Cir. Mar. 25, 2024) (Stoll, Cunningham, JJ.) (Lourie, J., dissenting).

The fact pattern in this case is unusual. Meril, a manufacturer of a transcatheter heart system approved for sale in Europe but not in the United States, brought two demonstration samples to San Francisco with lawyer-generated instructions that the samples could not be used, sold or offered for sale in the US. Meril presented at a trade booth during a cardiovascular medical device conference. It was undisputed that the samples never left a bag that was first kept at a hotel and later brought to the conference and placed in a storage room.

Edwards Lifesciences nevertheless sued for infringement based on importation. The district court found that Meril’s importation was reasonably related to its attempts to secure regulatory approval because they were for the purposes of recruiting investigators for a clinical trial Meril had made initial efforts to commence (as required to market this type of device in the US). Accordingly, the district court granted summary judgment of noninfringement on grounds that the safe harbor under § 271(e)(1) applied. Edwards appealed.

Edwards argued that the district court erred by not finding a genuine material dispute of fact relating to Meril’s subjective intent (i.e., whether, notwithstanding some evidence, Meril actually intended the importation to relate to FDA approval). Edwards also challenged whether the importation was solely related to FDA approval and argued that the non-use of the devices to recruit investigators rendered the safe harbor inapplicable.

The Federal Circuit rejected all three challenges. Canvassing the Federal Circuit’s decades of prior case law, the Court concluded that a putative infringer’s intent is irrelevant when determining whether the safe harbor applies. Thus, even if Edwards were correct in challenging Meril’s intent, there would still be no material factual dispute. On the issue of whether the importation activity was solely related to FDA approval, the Court, discussing the use of “solely” in terms of the safe harbor provision, reiterated prior cases’ determination that the uses need not be solely related to FDA approval, but rather, that the only uses that would be protected were those within the safe harbor. Finally, the Court again deemed the non-use of the devices irrelevant, as nothing in the statute required actual use.

Judge Lourie dissented, not because he necessarily viewed the district court’s or the majority’s application as squarely incorrect under existing precedent, but because he believed that existing precedent did not expressly give proper weight to the statute’s use of the word “solely.” Applying a plain text analysis, Judge Lourie argued that the safe harbor [...]

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Mandamus Denied but Jurisdictional Door Left Open a Crack

by Thomas DaMario | Apr 4, 2024 | Patents

The US Court of Appeals for the Federal Circuit denied a patent owner’s writ of mandamus seeking to prevent a defendant from amending its answer to add an affirmative licensing defense, but also noted that the defense was added only after the district court found that there were no remaining claims. In re VLSI Technology LLC, Case No. 24-116 (Fed. Cir. Mar. 18, 2024) (Moore, Taranto, Chen, JJ.)

VLSI asserted four patents against Intel in the Northern District of California. In December 2023, the district court granted summary judgment that two of the patents were not infringed and denied summary judgment of noninfringement on the remaining two patents. The parties additionally submitted cross motions for summary judgment on a licensing defense that turned on a forum selection clause, but the court denied both motions. To deprive the court of jurisdiction, VLSI granted Intel a covenant not to sue for infringement of the remaining two patents in the case. Two days later, Intel moved to amend its answer to add a counterclaim for a declaratory judgment that Intel was licensed to VLSI’s entire patent portfolio. The district court granted Intel’s motion, and VLSI filed a mandamus petition to block Intel’s amendment.

The Federal Circuit denied VLSI’s petition for two primary reasons. First, the Court determined that VLSI had not shown that it had no other available means of obtaining relief. The district court expressly invited the parties to brief issues pertaining to Intel’s licensing defense in subsequent briefing, and VLSI had since filed a motion to dismiss pertaining to this very issue. The Court also noted that VLSI could raise this issue on appeal after a final judgment. Second, the Court determined that VLSI failed to show that the district court abused its discretion in allowing Intel to amend its answer, finding that Intel acted diligently in seeking to amend its answer and that VLSI had long since known about the potential defense.

With respect to the substantive issue of whether the district court had subject matter jurisdiction, the Federal Circuit declined to offer an opinion at this stage. Nevertheless, in an apparent message to the court below, the final sentence of the Court’s opinion reads, “[w]e only note that Intel’s motion to amend its answer was filed after the court determined there were no remaining claims, such that no case or controversy remained before the court.”

Is Evidence of All Claimed Elements in Prior Art Enough? Not Without Motivation to Combine

by Sydney E. McDermott | Apr 4, 2024 | Patents

The US Court of Appeals for the Federal Circuit reversed a Patent Trial & Appeal Board obviousness decision, finding that disclosure in the prior art of all recited claim elements across multiple references, without more, does not establish obviousness unless there is evidence of a motivation to combine. Virtek Vision Int’l ULC v. Assembly Guidance Systems, Inc., Case No. 22-1998 (Fed. Cir. Mar. 27, 2024) (Moore, C.J.; Hughes, Stark, JJ.)

Virtek holds a patent that discloses “an improved method for aligning a laser projector with respect to a work surface.” Lasers are used to “project a template image onto a work surface to direct manufacturing processes.” The patent discloses a two-step process that improves efficiency over the prior art.

Aligned Vision petitioned for inter partes review (IPR), challenging all of the patent’s claims. Aligned Vision asserted four combinations of prior art references over which it contended the claims were obvious. In its Final Written Decision, the Board found that some of the claims were unpatentable as obvious, but others were not.

The Board determined that certain claims, which depended from the independent claim, would have been obvious over two combinations of references: Keitler and Briggs, and Briggs and Bridges. In pertinent part, the independent claim recites “identifying a pattern of the reflective targets on the work surface in a three dimensional coordinate system.” Save for the 3D claim element, all the other claim elements were disclosed in Bridges and Keitler. The Board found that a skilled artisan would have been motivated to use the 3D coordinate system disclosed in Briggs instead of the angular direction systems in Keitler or Bridges. The Board reasoned that this combination would have been obvious to try because Briggs disclosed both 3D coordinates and angular directions.

With respect to the direct appeal, the Federal Circuit found that the Board erred as a matter of law regarding motivation to combine. “It does not suffice to meet the motivation to combine requirement to recognize that two alternative arrangements such as an angular direction system using a single camera and a 3D coordinate system using two cameras were both known in the art.” Rather, the patent challenger must show that a skilled artisan would swap the element in one reference for an element in another reference. “The mere fact that these possible arrangements existed in the prior art does not provide a reason that a skilled artisan would have substituted the one-camera angular direction system in Keitler and Bridges with the two-camera 3D coordinate system disclosed in Briggs.”

Here, the patent challenger presented no argument in the IPR petition regarding why a skilled artisan would make this substitution, other than that the two different coordinate systems were “known to be used.” Specifically, Briggs made no mention of any benefits the 3D system might provide over the angular system. Aligned Vision’s expert testified multiple times that he could not provide a reason to combine the references, and Aligned Vision presented no evidence that “there are a finite number of [...]

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Be Cool: Don’t Construe the Construction

by Keval Amin | Mar 21, 2024 | Patents

The US Court of Appeals for the Federal Circuit vacated and remanded a Patent Trial & Appeal Board decision after concluding that the patent owner’s proposed construction would require the parties to construe the construction. CoolIT Systems, Inc. v. Katherine Vidal, Director of the United States Patent & Trademark Office, Case No. 22-1221 (Fed. Cir. March 7, 2024) (Lourie, Bryson, Stark, JJ.) (nonprecedential).

CoolIT Systems owns a patent directed to a system for fluid heat transfer to cool electronic devices. The patent focuses on a heat exchange system comprising various components including a heat sink, a housing member and a compliant member. The patent claims priority from two provisional applications. Asetek Danmark petitioned for inter partes review (IPR) of the patent based on anticipation and obviousness. During the IPR proceeding, the parties disputed the meaning of the term “matingly engaged,” a term introduced in the later provisional application. To preserve validity, CoolIT argued that the term should be construed narrowly to mean “mechanically joined or fitted together to interlock.” Asetek sought a broader construction of “joined or fitted together to make contact,” which would encompass all methods of joining two surfaces.

The Board found both interpretations extreme and partially construed the term as being satisfied when at least a portion of the compliant member fits within the recessed region of the housing member. Despite agreement on the term “mate” to mean “join or fit together,” there was disagreement on the term “engage.” However, the Board did not determine whether “matingly engaged” could encompass forms of engagement beyond fitting.

The Board found that the cited prior art suggested a compliant member fitting the housing, thus rendering the claims obvious. CoolIT appealed. The US Patent & Trademark Office (PTO) intervened after Asetek withdrew from the appeal based on settlement.

CoolIT argued that the Board’s interpretation was flawed, and that the prior art did not meet the requirements of the “matingly engaged” limitation irrespective of the interpretation adopted. CoolIT contended that its proposed construction aligned with the invention’s purpose and properly distinguished between the 2007 and 2011 provisional applications. CoolIT also argued that the compliant member must partition features to control coolant flow, necessitating a specific type of joining or fitting.

In response, the PTO argued that CoolIT’s proposed construction read limitations from the specification into the claim. The PTO contended that neither the claims nor the specification required “interlock” and disputed CoolIT’s interpretation of the 2007 provisional application. The PTO did not propose an alternative construction, however.

The Federal Circuit concluded that “matingly engaged” should properly be construed as “mechanically joined or fitted together,” as that construction accurately reflected the term’s meaning and aligned with arguments presented by both parties. The Court rejected CoolIT’s proposal to add the word “interlock” because it would cause more confusion than clarity, noting that even CoolIT and the PTO still disagreed over what the term “interlock” meant and thus adding that term to the construction would provide little guidance.

The Federal Circuit found that the Board [...]

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Patenting Web Advertising? Ask Alice, I Think She’ll Know

by Daniel Sternberg | Mar 14, 2024 | Patents

In a wide-ranging opinion, the US Court of Appeals for the Federal Circuit affirmed the district court’s grant of summary judgment of invalidity for lack of patent eligible subject matter under 35 U.S.C. § 101 with respect to claims directed to web-based advertising. Chewy, Inc. v. International Business Machines, Corp., Case No. 22-1756 (Fed. Cir. March 5, 2024) (Moore, Stoll, Cunningham, JJ.)

Chewy filed suit against International Business Machines (IBM) seeking a declaration that Chewy’s website did not infringe multiple patents related to web-based advertising. IBM responded by filing infringement counterclaims. After claim construction and discovery, the district court granted Chewy’s motions for summary judgment of invalidity for lack of patent eligible subject matter with regard to the asserted claims of one patent and noninfringement of the asserted claims of a second patent.

The claims of the first patent relate to providing a targeted advertisement from an “information repository” to a user based on the user’s internet search. In affirming the district court, the Federal Circuit first determined that, under Alice step 1, “[t]he claims broadly recite correlating advertisements with search results using a generic process.” The Court noted that the claims “merely recite the concept of identifying advertisements based on search results, without any specificity as to how this is accomplished,” and are directed to “the abstract idea of identifying advertisements based on search results.”

Turning to Alice step 2, the Federal Circuit found that the claims used a generic database and conventional processing steps, and “claimed use of a conventional repository for storing advertisements and associated search results in a well-known way.” Because “the claims recite the generic process for obtaining search results from a search query and using the search results to identify advertisements,” they failed under Alice step 2 and did not claim patent eligible subject matter under § 101.

Regarding the second asserted patent, the district court construed the claim term “selectively storing advertising objects at a store established at the reception system” as requiring the “advertising objects” to be “pre-fetched” and retrieved before the user requested a page on a website. Because it was undisputed that “Chewy retrieves advertisements in response to a user requesting a page” and not before, the district court ruled that Chewy’s website did not meet this claim limitation. Looking to the intrinsic claim construction evidence, the Federal Circuit held that the district court’s claim construction was amply supported by the specification and prosecution history and affirmed the district court’s grant of summary judgment of noninfringement. Of note, the Court explained that the specification made multiple references to pre-fetching as being part “of the present invention” and therefore limited the scope of the claims.

With respect to one asserted claim of the second patent, which did not include the limitation at issue, the district court found that Chewy’s website did not practice the limitation of “establishing characterizations for respective users based on the compiled data” because “the record undisputedly showed they deliver advertisements based on the page the user is currently viewing, [...]

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