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Proceed With Caution When Using Wayback Machine® Prior Art

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

PTAB Grants Rare Request For Live Witness Testimony In IPR

While PTAB proceedings are ordinarily decided “on the papers,” in certain rare cases the Board will permit live witness testimony at the oral hearing. The Board’s precedential decision in K-40 v. Escort explains that...more

PTAB Makes Precedential Its Heightened Scrutiny Of Amended Claims In IPRs

We recently posted about the panel opinion in Amazon.com v. Uniloc, a final written decision demonstrating how the PTAB has given heightened scrutiny to proposed substitute amended claims in an IPR. In addition to assessing...more

Amended Claims In IPRs Must Clear Higher Hurdle Than Original Claims

An IPR of issued patent claims is statutorily limited to prior art challenges based on patents and printed publications under § 102 (novelty) or § 103 (obviousness). The PTAB may not institute an IPR of existing patent claims...more

Indefiniteness Again Leads To Unsuccessful IPR Challenge

The PTAB may institute IPR proceedings only on the basis of certain prior art that is potentially invalidating under § 102 (novelty) or § 103 (obviousness). The PTAB may not institute IPR on any other unpatentability grounds,...more

After SAS, Indefinite Claims Can Be A Definite Problem For IPR Petitioners

The definiteness requirement for patent claims is set forth in Section 112(b), mandating that a patent specification conclude with one or more claims “particularly pointing out and distinctly claiming subject matter which the...more

The Scope Of IPR Petitioner Estoppel For Non-Petitioned Grounds Remains Uncertain

There is no doubt that “the potential for estoppel is one of the important considerations for defendants in deciding whether or not to file an [inter partes review (“IPR”)] petition.” Shaw Indus. Grp., Inc. v. Automated Creel...more

PTAB Makes Precedential Its Multi-Factor Approach To Assessing Follow-On Petitions

Serial IPR or CBM petitions challenging the same patent claims have been a recurring issue for the PTAB. On October 18, 2017, the PTAB designated as precedential a portion of a decision by an expanded panel that addressed...more

PTAB Grants Rare Motion To Amend Patent Claim After Federal Circuit Remand

Last year, the Federal Circuit vacated the Board’s original decision denying the patent owner’s motion to amend two claims in IPR2014-00090, holding that the Board erred by “insist[ing] that the patent owner discuss whether...more

PTAB Denies Timely, Relevant Supplement to Petition

By rule, a petitioner may request permission from the Board to submit supplemental information in an IPR proceeding if: (1) the request is filed within one month of the Board’s institution decision, and (2) the supplemental...more

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