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USPTO Publishes PTAB Trial Practice Guide Update

On July 14, 2019, the USPTO published a second update to the AIA Trial Practice Guide with additional guidance about trial practice before the Board. This latest update, while lengthy, does not introduce many significant...more

Microsoft Corporation v. Biscotti, Inc.

Federal Circuit Summaries - Before Newman, O’Malley, and Reyna. Appeal from the Patent Trial and Appeal Board. Summary: Anticipation is not proven by multiple, distinct teachings in a single prior art document that a...more

Software Patent Eligibility: Preemption Gets Starring Role at the Federal Circuit

The Supreme Court decision Alice Corp. v. CLS Bank, 134 S. Ct. 2347 (2014) pronounced, in no uncertain terms, preemption “drives” patent subject matter eligibility and its exceptions. But after Alice, it appeared preemption’s...more

PTAB Estops Follow-On Petition for Inter Partes Review Based New Combinations of Prior Art Raised in Earlier Petition

Dell, Inc. v. Electronics & Telecommunications Research Institute, IPR2015-00549, Paper 10 (P.T.A.B. Mar. 26, 2015) - The Board recently added a decision denying inter partes review in Dell, Inc. v. Electronics &...more

PTAB Denies Petition for Inter Partes Review When Ongoing Proceedings Raise Substantially Similar Arguments

In July 2013, Cardiocom filed a petition for IPR of a patent. Petitioner Medtronic then acquired Cardiocom. In January 2014, the Board decided to move forward on eight claims and declared trial on two obviousness grounds,...more

PTAB Denies Follow-On Petition for Inter Partes Review Including Prior Art and Arguments Raised in Earlier Petition by Same...

Petitioner Unilever filed an earlier petition for IPR of 33 claims of a patent. In the Decision on Institution, the Board denied review of 11 claims and granted review of the rest. Unilever then filed a second petition for...more

PTAB Declines to Institute Follow-On Petition for Inter Partes Review Based on "New" Reference

In January 2013, Petitioner IBS filed a petition for IPR. Five months later, IBS filed a second petition for IPR on the same patent claims. The follow-on petition relied on art from the first petition and other prior art,...more

PTAB Denies Follow-On Petition for Inter Partes Review Including Prior Art and Arguments Raised in Earlier Petitions by Different...

Petitioner Unified filed a petition for IPR of 11 claims of a patent. Unified acknowledged that the patent was already subject to three other petitions for IPR and that the Board had instituted trial on two of those three...more

PTAB Declines to Revisit Written Description and Prior Art Issues Considered During Prosecution in IPR

In this inter partes review proceeding, the challenged patent, filed in July 2011, purported to be a continuation of a parent application filed in September 2009. Petitioner PRISM argued the challenged claims lacked written...more

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