News & Analysis as of

Patent Ownership Ex Partes Reexamination Estoppel

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

What Should the USPTO Consider Changing for Implementing Post-Final Written Decision Estoppel in Ex Parte Reexamination Based on...

The estoppel provision of 35 U.S.C. § 315(e)(1) had largely prevented requesters from challenging claims of a patent via ex parte reexamination after an inter partes review (IPR) that resulted in a final written decision...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit Upholds USPTO Authority to Estop Patentees from Obtaining Patent Claims 'Not Patentably Distinct' from Previously...

The Federal Circuit recently upheld the USPTO’s authority under the estoppel provision 37 C.F.R. § 42.73(d)(3)(i) to prohibit a patent owner from obtaining patent claims that are not patentably distinct from claims previously...more

Knobbe Martens

Federal Circuit Review - June 2017

Knobbe Martens on

Inter Partes Reexamination Estoppel Attaches On Claim-by-Claim Basis for New Requests and Pending Proceedings - In In re Affinity Labs Of Texas, LLC, Appeal Nos. 2016-1092, 2016-1172, the Federal Circuit held that the...more

Fenwick & West LLP

An Examination “Off-Ramp” For Motions To Amend Still Raises Hopes and Questions

Fenwick & West LLP on

During the first three years of implementing the America Invents Act (AIA), Patent Trial and Appeal Board (PTAB) decision-making created a perception that a patent owner’s ability to amend claims during a post-grant...more

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