News & Analysis as of

Patent Ownership Evidence

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

Jones Day

Secondary Considerations Arguments Precluded By Prior Nexus Testimony

Jones Day on

On June 6, 2024, the PTAB issued a Final Written Decision concluding claims 1-6 of U.S. Patent No. 8,899,655 B1 (“the ’655 patent”) unpatentable. Yita LLC v. MacNeil IP LLC, IPR2023-00172, Paper 70 (PTAB Jun. 6, 2024)...more

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

Late Request Results In Denial Of Motion To Strike Authorization

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Patent Owner (Provisur Technologies) requested authorization to file a motion to strike portions of Petitioner’s (Weber, Inc.) Reply and certain evidence submitted therewith, which Petitioner opposed.  Patent Owner argued...more

Mintz - Intellectual Property Viewpoints

PTAB Reinforces Uneven Evidentiary Playing Field in IPRs

The U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (PTAB) recently grappled with the admission into evidence of expert deposition testimony that was presumably harmful to the petitioner in an inter partes...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: PTAB Erred In Presuming Nexus Where Commercial Product Was Not Coextensive With Patented Invention

The Federal Circuit vacated and remanded the Patent Trial and Appeal Board’s (PTAB) decisions in two inter partes review (IPR) proceedings, finding that the PTAB applied the wrong standard when it presumed there was a nexus...more

Jones Day

Precedential: Live Testimony Not Permitted Absent Prior Declaration

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In a recent decision that the PTAB designated as precedential, the Board denied a patent owner’s request to provide live testimony from the inventor of the challenged patent at the oral hearing. In DePuy Synthes Products,...more

Akin Gump Strauss Hauer & Feld LLP

References Introduced During IPR Proceeding Not Necessarily New Evidence to Which Patent Owner Had No Opportunity to Respond

On May 14, 2018, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (the “Board”) Final Written Decision in an inter partes review (IPR) proceeding holding all claims of Anacor Pharmaceuticals, Inc.’s (“Anacor”)...more

Akin Gump Strauss Hauer & Feld LLP

PTAB Allows Patent Owner to Subpoena and Depose Internet Archives Employee for Limited Purpose

In a recent order, the Patent Trial and Appeal Board (PTAB) granted Patent Owner’s request to seek a subpoena and cross-examine an office manager at the Internet Archives. The request relates to Petitioner’s submission of an...more

Jones Day

Failure to Refute Challenges to Real Parties-in-Interest Terminates 3 IPR Proceedings

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In prior blog posts, we have commented on PTAB decisions terminating IPR proceedings due to the Petitioner’s failure to identify all real parties-in-interest. See blog posts on Sanction For Failing to Update Real Party In...more

Mintz

Delaware District Court Finds No Work-Product or Common Legal Interest Protection for Certain Pre-Suit and Pre-Agreement Documents...

Mintz on

Recently, the District of Delaware held that a there was no work-product protection, and no common legal interest protection covering communications and documents shared between a patent owner and a third-party litigation...more

McDermott Will & Emery

Claim Terms with No Specialized Meaning in the Art Always Linked to Specification

McDermott Will & Emery on

Emphasizing the public-notice function of a patent’s specification, the US Court of Appeals for the Federal Circuit affirmed a district court’s construction of four patent claim terms based entirely on intrinsic evidence....more

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

Post-Grant Proceedings: The Top Seven Things You Should Know About the Proposed Rule Changes

On August 20th, the U.S. Patent and Trademark Office published proposed rules that would amend the consolidated set of rules currently governing Inter Partes Reviews, Post-Grant Reviews, Covered Business Method Reviews, and...more

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