News & Analysis as of

Expert Testimony Obviousness Discovery

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

Knobbe Martens

Non-Expert Testimony on Obviousness Is Inadmissible

Knobbe Martens on

HVLPO2, LLC v. OXYGEN FROG, LLC - Before Newman, Moore, and Chen. Appeal from the United States District Court for the Northern District of Florida. Summary: It is an abuse of discretion to permit a witness to testify...more

Robins Kaplan LLP

Inter Partes Review: Validity Before the PTAB

Robins Kaplan LLP on

The PTAB is beginning to develop a reputation as being harsh towards patent owners and the validity of their patents. Why have patent owners struggled so much before the PTAB? Attorneys Seth Northrop and Cyrus Morton discuss...more

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