News & Analysis as of

Inter Partes Review (IPR) Proceeding Patent Ownership Prior Art

Fish & Richardson

EPRx 101: Getting to Know Ex Parte Reexamination

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Ex parte reexamination (EPRx) is a powerful tool that allows any party — including the patent owner — to request that the United States Patent and Trademark Office (USPTO) reassess the validity of an issued patent based on...more

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

PTAB Year in Review – Caveat Experimenter: Using Experimental Data in PTAB Proceedings Comes With Risks

Parties involved in Patent Trial and Appeal Board (PTAB) proceedings sometimes contemplate submitting experimental data to support their positions. Although such data can be useful, there also are risks. Several recent cases...more

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

2024 PTAB Year in Review: Analysis & Trends

The Patent Trial and Appeal Board (PTAB) continues to play a pivotal role in shaping the intellectual property landscape. In 2024, several developments affecting PTAB practice emerged, from new rulemaking at the USPTO to key...more

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

Sterne Kessler’s Reissue, Reexamination, and Supplemental Examination Practice Tips – November/December 2024

In the mid-2000s, the U.S. Patent Office (USPTO) determined that reexaminations would be more consistent and legally correct if performed by a centralized set of experienced and specially trained Examiners. As a result, the...more

Akin Gump Strauss Hauer & Feld LLP

IPR “Booted” Where Images on Webpage Coupled with Evidence of Sales Deemed Insufficient to Establish Prior Art Status

The Patent Trial and Appeal Board has denied institution of an inter partes review for a design patent in part because the petitioner failed to show that three asserted references qualified as prior art. Specifically, the...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

Akin Gump Strauss Hauer & Feld LLP

IPR Grounds Doomed for Failure to Show Patent Reference Was Supported by Disclosures in Priority Application

The Patent Trial and Appeal Board has denied institution of an inter partes review, in part because the petitioner failed to show that a key reference qualified as prior art. The PTAB ruled that the petitioner was required to...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

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

Sterne Kessler’s Reissue, Reexamination, and Supplemental Examination Practice Tips – May 2024

In the mid-2000s, the U.S. Patent Office (USPTO) determined that reexaminations would be more consistent and legally correct if performed by a centralized set of experienced and specially trained Examiners. As a result, the...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

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.

What’s in a Name? Why Reexamination Is Not a Re-Examination

Long before the America Invents Act (AIA) created the Patent Trial and Appeal Board (PTAB) patent revocation proceedings, the patentability of one or more claims of any patent could be reviewed via Ex Parte Reexamination...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

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

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

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

Morrison & Foerster LLP - Federal Circuitry

Recently in the Federal Circuit: The New Board Construction Conundrum

If you’ve ever wondered how they keep implanted medical devices from becoming dead weight when the batteries run out, this recent Federal Circuit decision addresses one solution—wireless charging through the skin! It also...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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