IP UPDATE
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Exploring the latest in intellectual property law
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Branding Function Patent Yet Another 1[01] to Bite the Dust

by | Apr 20, 2023 |

Addressing the patentability of claims directed to digital image branding functions, the US Court of Appeals for the Federal Circuit affirmed a district court’s determination that claims across three related patents were invalid under 35 U.S.C. § 101 for lacking patent-eligible subject matter. Sanderling Mgmt. Ltd. v. Snap Inc., Case No. 21-2173 (Fed. Cir. Apr. 12, 2023) (Chen, Cunningham, Stark, JJ.)

Sanderling owns three patents, each titled “Dynamic Promotional Layout Management and Distribution Rules.”  The three patents share a common specification and are generally directed to a method using distribution rules to load digital imaging branding functions to users when certain conditions are met. The specification explains that a distribution rule is “a rule used in determining how to target a group of end users, for instance, a rule that determines that only a group of end users having certain characteristics and/or match a certain requirement.”

Sanderling asserted each of the three patents against Snap in the Northern District of Illinois. Snap moved to transfer venue to the Central District of California and to dismiss the case under Fed. R. Civ. P. 12(b)(6) for failure to state a claim based on the allegation that the asserted patents’ claimed ineligible subject matter under § 101. After the case was transferred, the Central District of California found the claims patent ineligible and granted Snap’s motion to dismiss. Sanderling appealed.

The Federal Circuit reviewed the decision by engaging in the two-step Alice framework for subject matter eligibility. Under step one, the Court determined that the claims were directed to the abstract idea of providing information—in this case, a processing function—based on meeting a condition (e.g., matching a GPS location indication with a geographic location). The Court explained that for computer-related inventions, the relevant question is whether the claims are directed to an improvement to computer functionality or to an abstract idea. The Court found that the claims in issue were not directed to an improvement in computer functionality, but instead to the use of computers as a tool—specifically, a tool to identify when a condition is met and then to distribute information based on satisfaction of that condition.

Even if directed to an abstract idea, patent claims may still be eligible under step two of the Alice framework if there are additional features that constitute an inventive concept. The Federal Circuit, however, found that the claims failed this step also. The Court explained that if a claim’s only inventive concept is the application of an abstract idea using conventional and well-understood techniques, the claim has not been transformed into a patent-eligible application of an abstract idea. The distribution rule of the asserted claims was just that: the application of the abstract idea using common computer components. Accordingly, the Court affirmed the district court’s decision that the patent claims were invalid under § 101.

Practice Note: On appeal, Sanderling argued that the district court erred at step one of the Alice analyses by failing to construe certain claim terms that were allegedly crucial to the determination. [...]

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Overlapping Ranges in Prior Art Put Burden on Patentee to Show Criticality

by | Apr 20, 2023 |

The US Court of Appeals for the Federal Circuit found that the challenged patents were invalid as anticipated and obvious in a case involving claimed ranges and prior art that included teachings with overlapping ranges. UCB, Inc. v. Actavis Laboratories UT, Inc., Case No. 21-1924 (Fed. Cir. Apr. 12, 2023) (Moore, C.J.; Chen, Stoll, JJ.)

UCB owns two prior art patents (the Mueller patents), one directed to methods for stabilizing rotigotine that covers a drug used in UCB’s Neupro® transdermal patches to treat Parkinson’s disease, and the other directed to the stable dispersions of rotigotine used in Neupro® transdermal patches.

Soon after UCB began marketing its original Neupro® transdermal patch in 2007, it discovered that rotigotine crystallized when the patch was kept at room temperature, which lowered the amount of rotigotine available to cross the skin/blood barrier and enter the patient’s circulation and reduced the product’s effectiveness. UCB recalled Neupro® from the market in the United States. In Europe, it marketed Neupro® only under “cold chain” conditions, which reduced the rotigotine crystallization.

The challenged patent in this case solved the problem of room temperature crystallization using dispersions in which the ratio of rotigotine to the stabilizer polyvinylpyrrolidone (PVP) ranged from “about 9.4 to about 9.6.” The original Neupro® formulation had a rotigotine to PVP ratio of 9:2, and the Mueller patents disclosed a partially overlapping range of 9:1.5 to 9:5, as shown in the following graphic from the Federal Circuit’s opinion:

The reformulated Neupro had a ratio of 9:4 rotigotine to PVP and exhibited stability for up to two years at room temperature.

The district court held that the Mueller patents anticipated all asserted claims because a person of ordinary skill in the art (POSA) would “readily envisage” a combination of 9% rotigotine with 4% to 5% of PVP. The district court also determined that all claims were obvious in light of the Mueller patents and other prior art.

Anticipation/Overlapping Ranges

The Federal Circuit first noted that although the prior art that discloses a point within a claimed range generally anticipates that claim, such was not the case here, and the district court committed legal error treating it thus.

Instead, the Federal Circuit treated this case as one of overlapping ranges. Under that legal rubric, once a patent challenger establishes a prima facie case of anticipation by showing that the claimed range partially overlaps with the cited art, the burden shifts to the patentee to show that the “claimed range is critical to the operability of the claimed invention.” The Court stopped short of ruling that UCB had not met its burden of showing the criticality of the range because it concluded that the two patents in question were obvious in light of the overlap between the claimed ranges and those of the Mueller patents.

Teaching Away

The Federal Circuit affirmed the district court’s rejection of UCB’s arguments that Tang, another [...]

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Console Yourself: Patent Owner Bears IPR Estoppel Burden

by | Apr 13, 2023 |

Addressing for the first time the standard and burden of proof for the “reasonably could have raised” requirement for inter partes review (IPR) estoppel to apply, the US Court of Appeals for the Federal Circuit concluded that a patent owner bears the burden of proving that an IPR petitioner is estopped from using invalidity grounds that a skilled searcher conducting a diligent search reasonably could have been expected to discover. Ironburg Inventions Ltd. v. Valve Corp., Case Nos. 21-2296; -2297; 22-1070 (Fed. Cir. Apr. 3, 2023) (Lourie, Stark, JJ.) (Clevenger, J., dissenting).

Ironburg sued Valve for infringing Ironburg’s video game controller patent. Valve responded by filing an IPR petition in 2016. The Patent Trial & Appeal Board partially instituted on three grounds but declined to institute on two other grounds (the Non-Instituted Grounds), as was permitted prior to the Supreme Court’s 2018 decision in SAS Institute Inc. v. Iancu. Valve did not seek remand pursuant to SAS, which would have allowed the Board to consider the Non-Instituted Grounds. In the district court litigation, Valve alleged invalidity based on the Non-Instituted Grounds and grounds Valve learned of from a third party’s IPR filed after Valve filed its IPR (the Non-Petitioned Grounds). Ironburg filed a motion asserting that Valve was estopped, pursuant to 35 U.S.C. § 315(e)(2), from asserting both the Non-Instituted Grounds and the Non-Petitioned Grounds. The district court granted Ironburg’s motion in full, removing all of Valve’s invalidity defenses. After trial, the jury returned a verdict finding that Valve willfully infringed the patent. Valve appealed.

35 U.S.C. § 315(e)(2) precludes an IPR petitioner from asserting invalidity during a district court proceeding based on “any ground that the petitioner raised or reasonably could have raised during that [IPR].” The Federal Circuit first addressed the legal standard needed to meet the “reasonably could have raised” requirement for IPR estoppel. The Court found that the “skilled searcher” standard used by several district courts is appropriate, as opposed to a higher “scorched earth” search standard. The “skilled searcher” standard is consistent with the § 315(e)(2) statutory requirement of discovering prior art references that “reasonably could have been raised.”

The Federal Circuit next addressed which party has the burden to prove what prior art references a skilled searcher reasonably would, or would not, have been expected to discover. The district court placed the burden on Valve, the party challenging the patent’s validity, and determined that Valve did not show how difficult it was to find the Non-Petitioned Grounds that Valve did not initially uncover. The Court noted that the third party that did find the Non-Petitioned Grounds may have used a “scorched earth” search, which would make its discovery of the Non-Petitioned Grounds irrelevant to estoppel. The Court concluded that the patent owner has the burden of proving what a skilled searcher reasonably would have found because the patent holder is looking to benefit from estoppel. The Court explained that this conclusion is consistent with the practice of placing the burden on the party asserting [...]

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Disclaiming Claim Scope: Could the Patentee Have Anticipated This?

by | Apr 6, 2023 |

In the most recent decision in the Apple/VirnetX saga, the US Court of Appeals for the Federal Circuit affirmed a remand ruling from the Patent Trial & Appeal Board finding the challenged claims of VirnetX’s patents unpatentable. VirnetX Inc. v. Mangrove Partners Master Fund, Ltd., Case No. 2020-2271 (Fed. Cir. Mar. 30, 2023) (Moore, C.J.; Hughes, Stark, JJ.) (nonprecedential).

VirnetX owns two patents relating to a “secure mechanism for communicating over the internet.” The patents relate to a system in which a DNS module “intercepts . . . and determines whether [a] request is for a secure site.” The system creates a VPN if the proxy determines that the request is for a secure site. If the proxy determines that the request is not for a secure site, it forwards the request to a conventional DNS.

Mangrove, Apple and Black Swamp (collectively, Mangrove) petitioned for inter partes review (IPR) challenging various claims of the patents. The Board found that all the challenged claims were unpatentable as anticipated by Kiuchi or obvious in view of Kiuchi and other references. VirnetX appealed to the Federal Circuit (Mangrove Appeal). In that appeal, the Federal Circuit determined that, contrary to the Board’s finding, when VirnetX distinguished Aventail during reexamination of one of the patents, VirnetX disclaimed “a system in which a client computer communicates with an intermediate server via a singular, point-to-point connection.” As a consequence of the prosecution disclaimer, the Court found that the claims “require[s] direct communication between the client and target computers.” The Court vacated the Board’s decision and remanded the case for the Board to determine further factual questions regarding Kiuchi because “substantial evidence does not support the Board’s finding that the C-HTTP name server of Kiuchi performs the functions of the claimed DNS proxy module.”

Following the Mangrove Appeal, the Board again found that Kiuchi—the only prior art reference at issue in the present appeal—discloses a “secure network” for the transfer of patient information in a hospital setting and teaches a “direct-communication VPN between the client and target.” As a result, the Board concluded that Kiuchi anticipates all the challenged claims. VirnetX again appealed.

The Federal Circuit first addressed the Board’s conclusion that “Kiuchi teaches a direct-communication VPN and is therefore within the scope of the claims of VirnetX’s … patent, and not an indirect-communication VPN, which would have brought Kiuchi within the scope of VirnetX’s disclaimer.” The Court agreed with the Board that “Kiuchi discloses direct communication that satisfies the claimed VPN.” Specifically, “Kiuchi’s user agent does not communicate with the client-side proxy using a singular, point-to-point connection because the user agent addresses the desired endpoint, and the VPN provides the required message routing for the user agent to receive a response from the desired endpoint.” Moreover, the Court reasoned that Kiuchi’s proxy servers forward data packets and that Kiuchi teaches “the ability to address data to a particular computer,” consistent with the scope of the claims.

Next, the Federal Circuit addressed the Board’s [...]

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PTO Adds Green Energy Category to Patents for Humanity Program

by | Mar 16, 2023 |

On March 6, 2023, the US Patent & Trademark Office (PTO) introduced a new green energy category to its Patents for Humanity Program. This new award category provides business incentives for patent applicants, holders and licensees whose inventions address the challenges of climate change through green energy innovations, including wind, solar, hydrogen, hydropower, geothermal and biofuels technologies. The green energy category joins five other categories of inventions in the Patents for Humanity Program: medicine, nutrition, sanitation, household energy and living standards.

The Patents for Humanity green energy category joins other recent PTO initiatives designed to address climate change, including a joint work-sharing program with the National Oceanic and Atmospheric Administration, expedited examination procedures under the Climate Change Mitigation Pilot Program, and a partnership with the World Intellectual Property Organization’s WIPO GREEN program.

The Patents for Humanity Award is the top award for applicants best representing the Patents for Humanity principles. Award recipients receive public recognition at an awards ceremony sponsored by the PTO. They also receive a certificate to accelerate any of the following matters before the PTO: a patent application, an ex parte reexam or an ex parte appeal to the Patent Trial & Appeal Board. Winners may transfer their acceleration certificates to third parties.

The PTO is now accepting applications for the Patents for Humanity green energy category. For more information about how to apply, visit Patents for Humanity: Green Energy. The deadline for submitting applications is June 1, 2023.



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

by | Mar 9, 2023 |

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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Patent Law Principles Apply to Claim Scope: Orange Book Delisting and Listing and Regulations

by | Mar 9, 2023 |

The US Court of Appeals for the Federal Circuit ordered that the only Orange Book patent asserted in a lawsuit must be delisted since its claims were directed to the computer-implemented distribution system and not a method of use. Jazz Pharms., Inc. v. Avadel CNS Pharms., LLC, Case No. 23-1186 (Fed. Cir. Feb. 24, 2023) (Lourie, Reyna, Taranto, JJ.)

Jazz Pharmaceuticals holds a new drug application (NDA) for Xyrem, an oral sodium oxybate solution prescribed to help those with certain narcolepsies manage cataplexy. Sodium oxybate itself is no longer covered by patents because it has been used in relation to narcolepsy since the 1960s. For this reason, Jazz built its patent portfolio around Xyrem’s formulation, use and distribution.

Jazz uses a single-pharmacy distribution system for Xyrem, known as a risk evaluation mitigation strategy (REMS). Implementing REMS was a condition of Xyrem’s US Food & Drug Administration (FDA) approval because it mitigates safety risks of dangerous active pharmaceutical ingredients such as sodium oxybate. One of Jazz’s patents is directed to this REMS distribution system. Abbreviated New Drug Application (ANDA) 505(b)(2) NDA (Hybrid NDA) approval is similarly conditioned on implementing a REMS that is sufficiently comparable to any that the NDA holder must implement. The FDA eventually determined that single-pharmacy systems were unnecessary for Xyrem and potentially detrimental.

Avadel submitted a hybrid NDA for a drug that requires only a single nightly dose, unlike Xyrem, which requires a patient to wake up during the night to ingest a second dose. Avadel’s application also proposed a more lenient REMS that utilizes multiple pharmacies. In view of these differences, Avadel believed that it could avoid a lengthy FDA approval process because all of Jazz’s Xyrem Orange-Book-listed patents seemed addressable without making any Paragraph IV certifications. As for the REMS patent, Avadel filed a statement under 21 U.S.C. § 355(b)(2)(B) because the patent was listed as claiming a method of use and Avadel was not seeking approval for the REMS system to which that patent’s claims were directed.

Jazz sued Avadel asserting seven patents, of which the REMS patent was the only Orange-Book-listed patent. Avadel asserted a counterclaim requesting that the district court order Jazz to delist the REMS patent from the Orange Book. The district court subsequently held a Markman hearing finding that the REMS patent’s claims were directed to a system and not a method. The district court granted Avadel’s motion for judgment on the pleadings, finding that the REMS patent did not claim “the drug for which the application was approved” and thus had to be delisted from the Orange Book. Jazz appealed.

Jazz argued that because the FDA permitted the REMS patent to be Orange Book listed, Avadel was prohibited from availing itself of the statutory delisting provision. The Federal Circuit disagreed, concluding that the language of the delisting provision was only concerned with whether a listed patent met the provisions’ conditions at the time of the triggering litigation.

Jazz also argued that there was no evidence that Congress imported patent-law [...]

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Free Speech Shines Bright, Illuminates Patent Owner’s Right to Allege Infringement

by | Mar 2, 2023 |

The US Court of Appeals for the Federal Circuit reversed a district court’s preliminary injunction prohibiting a patent owner from communicating its view that a competitor infringed, finding that the speech restriction was improper because the infringement assertions were not objectively baseless. Lite-Netics, LLC v. Nu Tsai Capital LLC, Case No. 23-1146 (Fed. Cir. Feb. 17, 2023) (Lourie, Taranto, Stark, JJ.)

Lite-Netics and Nu Tsai Capital d/b/a Holiday Bright Lights (HBL) compete in the market for holiday string lights. Both companies use similar magnetic mechanisms that allow users to secure the end of the lights. Lite-Netics owns several patents that describe and claim magnetically secured decorative lights. In June 2017, Lite-Netics sent a cease-and-desist letter to HBL demanding that it stop selling lights alleged to infringe Lite-Netics’s patents. After remaining silent for five years, Lite-Netics sent another cease-and-desist letter in April 2022 demanding that HBL either explain why its products did not infringe the Lite-Netics patents or stop selling the products.

When HBL refused to stop selling the allegedly infringing products, Lite-Netics sent communications to HBL’s customers notifying them of their infringement claim and threatening “all legal rights and remedies” to stop the sale of HBL’s products. Lite-Netics then filed a lawsuit against HBL for infringement of the patents. HBL asserted counterclaims, including tortious interference with business relationships, defamation under Nebraska law and bad faith patent-infringement communications. HBL also sought a preliminary injunction to prevent Lite-Netics from publishing further accusatory statements. Finding that HBL would likely succeed on its tortious interference and defamation claims and that Lite-Netics’ infringement allegations were “objectively baseless,” the district court granted the preliminary injunction. Lite-Netics appealed.

The Federal Circuit reversed the district court, finding that in cases where an injunction restricts a party’s rights to First Amendment protected speech about its federal patent rights, federal law preempts state tort law. The Court explained that federal law requires a higher “bad faith” standard of proof for a preliminary injunction that would impinge on those federal rights. The Court found that HBL had failed to show that Lite-Netics’s allegations and the publication of its allegations were made in bad faith or that those allegations were objectively baseless. The Court therefore reversed and remanded to the district court for further proceedings.



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PTO to Begin Issuing Electronic Patent Grants

by | Mar 2, 2023 |

On February 28, 2023, the US Patent & Trademark Office (PTO) issued a final rule announcing it would begin issuing electronic patent grants (eGrants) starting April 18, 2023. These eGrants are the official copies of patent grants in an electronic format. During a limited transition period, the PTO will also provide a bound paper version as a ceremonial copy. Once the transition period is over, a bound paper version will be available for a nominal fee. The PTO did not specify when the transition period would end. The Federal Register notice can be found here.

To implement the eGrant, the PTO is removing and reserving 37 CFR 1.315, which states that “[t]he patent will be delivered or mailed upon issuance to the correspondence address of record.” Because patents will be issued electronically, the PTO will no longer physically deliver the patent grant by mailing it to the correspondence address. Instead, the eGrant will issue electronically via the Patent Center.

In addition to the ceremonial paper copy, for a fee, the PTO will still offer certified copies (in accordance with 37 CFR 1.13) and presentation copies. The PTO will no longer accept orders for advance copies of issued patents.

By moving to eGrants, the interval between issue fee payment and patent issuance will be shorter. Thus, applicants will need to be more diligent in filing continuations, divisionals and Quick Path Information Disclosure Statements. For example, Issue Notifications will be available electronically via the Patent Center after the issue fee is paid, usually on the Wednesday or Thursday before the patent issues. The PTO envisions that for those who do not participate in the e-Office action program, a patent may issue electronically before the applicant even receives the mailed Issue Notification.



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DC Circuit to Disputes Ancillary to Patent Matters: “You Can’t Sit with Us”

by | Mar 2, 2023 |

For the first time, the US Court of Appeals for the District of Columbia Circuit addressed whether appeals of discovery orders ancillary to a patent suit are within the exclusive jurisdiction of the US Court of Appeals for the Federal Circuit. The DC Circuit joined its sister circuits and held in the affirmative. Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. v. Sirius XM Radio Inc., Case No. 22-7001 (DC Cir. Feb. 17, 2023) (Srinivasan, Henderson, JJ., Edwards, Sr. J.)

In February 2017, Fraunhofer-Gesellschaft Zur Förderung commenced a civil action for patent infringement against Sirius XM Radio in the District of Delaware. During discovery, Fraunhofer subpoenaed for deposition Sirius XM’s former Chief of Marketing Officer, My-Chau Nguyen, a resident of Washington, DC.

After Nguyen failed to appear for her deposition, she filed a motion in the US District Court for the District of Columbia to quash the subpoena. Fraunhofer responded with a cross-motion to compel Nguyen’s deposition and a motion for sanctions. The DC district court denied Nguyen’s motion to quash, ordered her to sit for deposition, found her in contempt for failing to appear for deposition in the first instance, and expressed an intent to award sanctions upon Fraunhofer’s submission of documentation reflecting fees and costs. Fraunhofer appealed to the DC Circuit.

The DC Circuit first addressed whether it had jurisdiction to consider Nguyen’s challenge to the district court’s order compelling her deposition in light of the fact that Nguyen’s deposition had already been taken at the time of appeal. The Court held that Nguyen’s challenge was moot because “[n]umerous courts have held that an appeal from enforcement of a subpoena becomes moot once the party has complied with the subpoena.” Therefore, the Court reasoned that it lacked jurisdiction to consider Nguyen’s subpoena challenge because she had already complied with the subpoena at the time of the appeal.

Next, the Court addressed whether it had jurisdiction to assess the merits of Nguyen’s challenge to the district court’s finding of contempt and intent to award sanctions. The Court determined that it did not have subject matter jurisdiction to consider these issues.  The Court explained that because “the underlying litigation between Fraunhofer and Sirius XM in the District of Delaware arises under an Act of Congress relating to patents[,]” Nguyen’s discovery dispute in the DC district court was “ancillary to a patent suit.” The DC Circuit reasoned that only the Federal Circuit is vested with jurisdiction over appeals “arising under . . . any Act of Congress related to patents[.]” (28 U.S.C. § 1295(a)(1).) Holding similarly to other circuits, the Court concluded that because Nguyen’s discovery dispute was ancillary to a patent matter, the ability to decide the merits of her appeal was solely within the province of the Federal Circuit.

The DC Circuit found that it did not have the authority to transfer Nguyen’s challenges to the Federal Circuit, however. The DC Circuit concluded that it was forced to dismiss rather than transfer because “this appeal could not have been brought [...]

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