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Patent Litigation Prior Art Patent Ownership

Akin Gump Strauss Hauer & Feld LLP

PTAB Permits Submission of Evidence Midstream to Bolster Public Accessibility of References Despite Objections

The Patent Trial and Appeal Board has granted a petitioner’s motion to submit supplemental information, over patent owner’s objections, concerning the public availability of references that were relied upon to support grounds...more

Jones Day

Director Provides Reminders For Obviousness Analysis

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On July 9, 2024, Director Vidal reversed and remanded a denial of institution of inter partes review (IPR) relating to three Spin Master patents. See Prime Time Toys LLC v. Spin Master, Inc., IPR Nos. 2023-01339, 2023-01348,...more

Jones Day

Shifting Burden Dooms Patent Owner

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In a Final Written Decision, the PTAB declared claims of a patent unpatentable after finding the patent was not entitled to the earlier priority date of the anticipatory reference in Platinum Optics Technology, Inc. v. Viavi...more

Knobbe Martens

Federal Circuit Review | May 2024

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Infringement Judgement is Only Final when there’s Nothing Left to Do but Execute - In Packet Intelligence LLC v. Netscout Systems, Inc., Appeal No. 22-2064, the Federal Circuit held that an infringement judgment is only...more

Jones Day

Institution Denied For Lack of Sufficient Structure

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The Board declined to institute inter partes review because Petitioner failed to identify adequate corresponding structure in the challenged patent that performed the function of claim limitation that was to be construed...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Requester Side Benchmarks for Successful Reexamination Requests

Takeaways: -A requester can have a voice in ex parte reexamination prosecution. - Requesters should strategically structure their request documents to hedge against potential patent owner amendment and argument. The...more

Jones Day

Institution Denial Vacated to Reconsider Prior Art Drawing

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On April 5, 2024, Director Vidal vacated and remanded the Patent Trial and Appeal Board’s (PTAB’s) denial of institution of inter partes review (IPR) where the Petitioner relied on a drawing in a prior art patent document to...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Fixing Unintentional Duty of Disclosure and Candor Issues Through Supplemental Examination

A significant procedure for patent owners, Supplemental Examination, was established in the 2012 America Invents Act when Congress determined there should be a proceeding to turn events that in the past could lead to...more

Akin Gump Strauss Hauer & Feld LLP

District Court Precludes Experienced Patent Attorney from Testifying as Expert Based on Lack of Pertinent Technical Expertise

A district court recently precluded a patent attorney from testifying as an expert in a patent infringement lawsuit where the proposed expert lacked the requisite technical expertise to assist the trier of fact in...more

Jones Day

Claim Construction Dispositive In Patentability Determination

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It goes without saying that claim construction is an important issue, but the PTAB’s recent decision in Netflix, Inc. v. DIVX, LLC, IPR2020-00558, Paper 66 (PTAB Feb. 22, 2024), shows not only that reasonable minds can differ...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

2023 PTAB Year in Review: Analysis & Trends: 2023 PTAB Case Highlights

Precedential Decisions - Penumbra, Inc. v. RapidPulse, Inc., IPR2021-01466, Paper 34 (March 10, 2023) (designated: November 15, 2023) (regarding prior art status under AIA § 102) The Director designated as precedential...more

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Rules on Inventor-as-Lexicographer Definitions and the Proper Scope of Reply and Sur-Reply Briefing Following...

ParkerVision, Inc., v. Katherin K. Vidal, Under Secretary of Commerce for IP and USPTO Director No. 2022-1548, (Fed. Cir. December 15, 2023) primarily involved three topics: (1) the type of language in a patent specification...more

Jones Day

Patent Appendix That Was Referenced, But Not Incorporated, Is Not Prior Art

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In Apple Inc. v. DoDots Licensing Sols. LLC, IPR2023-00939, Paper 12 (PTAB Jan. 3, 2024) (“Decision”), the PTAB clarified what is and what is not part of the prior art, and as such what can be considered by the PTAB in an IPR...more

Jones Day

Reverse Engineered Search Insufficient For IPR/PGR Estoppel

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In GeigTech East Bay v. Lutron Electronics, patent owner GeigTech argued that Lutron should be estopped under 35 U.S.C. § 325(e)(2) from asserting two prior art grounds that it said Lutron could have reasonably raised in its...more

Akin Gump Strauss Hauer & Feld LLP

PTAB: Merely Showing That a Reference Was Available on the Internet Does Not Establish ‘Public Accessibility’

The Patent Trial and Appeal Board denied institution of a petition for IPR after determining that the petitioner failed to show a reasonable likelihood that its primary asserted reference, which was available through the...more

Jones Day

Conception and Reduction to Practice Dates Matter

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In a recent decision, the Patent Trial and Appeals Board found that the disputed claims regarding transferring digital content were not unpatentable under 35 U.S.C. § 103(a) after determining that the prior art cited by the...more

Jones Day

Proceed With Caution When Using Wayback Machine® Prior Art

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Just because a document is archived on the Internet Archive’s Wayback Machine® does not necessarily qualify it as prior art for an IPR challenge. ...more

Jones Day

Failure to Prove “Prior” Art Results in Denial

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The PTAB recently denied IPR institution in Sophos v. Open Text because the petitioner failed to show a reasonable likelihood that the asserted reference was, in fact, prior art.  IPR2023-00732, Paper 23 (November 2, 2023)....more

Fenwick & West LLP

USPTO Doubles Down on Inapplicability of Dynamic Drinkware to AIA Cases in Precedential PTAB Decision

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What You Need to Know The USPTO has reiterated its position that Dynamic Drinkware, LLC v. National Graphics, Inc. does not apply to patents and patent applications that fall under the America Invents Act (AIA) by designating...more

Akin Gump Strauss Hauer & Feld LLP

Collateral Estoppel Causes PTAB to Reverse Course and Institute IPR

The Patent Trial and Appeal Board granted a request for rehearing and instituted inter partes review of a web browsing patent in order to reconcile an inconsistency with a final judgment of un-patentability in the IPR of a...more

Akin Gump Strauss Hauer & Feld LLP

Senior Circuit Judge Issues Split Decision on Patent Eligibility of Claims Directed to Restricting Access to Computer Files

Senior Circuit Judge Bryson of the Federal Circuit, sitting by designation in the District of Delaware, recently granted-in-part and denied-in-part a Rule 12(c) motion for judgment based on patent eligibility under 35 U.S.C....more

Bradley Arant Boult Cummings LLP

Some Touch Up Needed: The Federal Circuit Partially Confirms the PTAB’s View of Analogous Art

In Corephotonics, Ltd. v. Apple Inc., the Federal Circuit partially signed off on Apple’s win before the Patent Trial and Appeal Board (PTAB) invalidating a number of patents owned by Corephotonics relating to dual-aperture...more

Jones Day

Patent Owner Unable to Change Inventorship During Remand

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At the Inter Partes review trial, Patent Owner attempted to swear behind Petitioner’s primary prior art reference by showing that the inventors of the asserted patents had conceived of the invention before the priority date...more

Akin Gump Strauss Hauer & Feld LLP

Patentee’s Own Clinical Trial Renders Unpatentable Patent Claims Directed to Antibody Treatment

In a final written decision of an inter partes review proceeding, the Patent Trial and Appeal Board found all 12 claims of a challenged patent unpatentable as either anticipated or obvious. Each ground of unpatentability...more

Jones Day

Common Inventorship And Technology Insufficient For 325(d) Denial

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The PTAB recently declined to apply Section 325(d) and instituted inter partes review after a patent owner unsuccessfully argued that the petition relied on substantially the same prior art as that which the Office had...more

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