News & Analysis as of

Patent Infringement Intellectual Property Protection Collateral Estoppel

Hudnell Law Group

Differing Burdens of Proof Limits Estoppel Effect of PTAB Final Written Decision

Hudnell Law Group on

On February 10, 2025, the United States Court of Appeals for the Federal Circuit issued a decision in Kroy IP Holdings, LLC v. Groupon, Inc., reversing and remanding a district court ruling that had dismissed Kroy’s patent...more

Robins Kaplan LLP

Purdue Pharma L.P v. Accord Healthcare Inc. - OxyContin® (oxycodone HCl)

Robins Kaplan LLP on

Case Name: Purdue Pharma L.P v. Accord Healthcare Inc., Civ. No. 22-913-WCB, 2024 WL 4120717 (D. Del. Sept 9, 2024) (Bryson, J.) Drug Product and Patent(s)-in-Suit: OxyContin® (oxycodone HCl); U.S. Patent No. 11,304,908 (“the...more

Wilson Sonsini Goodrich & Rosati

The PTAB Review - October 2024

The PTAB Review begins by exploring collateral estoppel from unpatentability determinations in inter partes review (IPR) proceedings. Next, it summarizes recent developments at the U.S. Patent and Trademark Office relevant to...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - October 2023 #2

Finjan LLC v. SonicWall, Inc., Appeal No. 2022-1048 (Fed. Cir. Oct. 13, 2023) In the Federal Circuit’s only precedential opinion this week, a majority affirmed summary judgment of non-infringement on appellant Finjan’s...more

Jones Day

Claim Construction Clash Leads to Invalidity Reprieve

Jones Day on

In XR Communications, LLC v. D-Link Systems, Inc. Et. Al., a judge in the Central District of California found that certain asserted claims claiming to wireless communication technology were barred by the doctrine of...more

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

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions

[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more

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

[Webinar] Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions - February 17th, 1:00 pm - 2:00 pm EST

Sterne, Kessler, Goldstein & Fox invites you to a webinar, "Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions," on Thursday, February 17, 2022. In conjunction with the release of the firm's...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2019 #2

Curver Luxembourg, SARL v. Home Expressions Inc., Appeal No. 2018-2214 (Fed. Cir. Sept. 12, 2019) In a significant case in the field of design patents, the Federal Circuit clarified the scope of design patent infringement...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2018 #3

PATENT CASE OF THE WEEK - VirnetX Inc. v. Apple, Inc., Appeal Nos. 2017-2490, -2494 (Fed. Cir. Dec. 10, 2018) The Federal Circuit affirmed two final written decisions of the Patent Trial and Appeal Board (“PTAB”), which...more

Troutman Pepper Locke

Once The Federal Circuit Affirms A PTAB Finding Of Invalidity, Collateral Estoppel Prevents Patent Owner From Asserting The Claims...

Troutman Pepper Locke on

On May 23, 2018, in XY, LLC v. Trans Ova Genetics, L.C., CAFC held that its affirmance of PTAB’s invalidity decision regarding certain claims of a patent owned by XY in a separate appeal involving a different defendant must...more

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