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SCOTUS Rejects Petition To Review Section 325(d)

SCOTUS Rejects Petition To Review Section 325(d)

By Mike Lavine and Matt Johnson On November 19, 2018, the Supreme Court of the United States (SCOTUS) rejected a petition to review the PTAB’s refusal to deny IPR institution under § 325(d), in a case where the challenged patent had survived several previous validity...

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PTAB Bar Association Hosts Inaugural Thought Leader Summit

PTAB Bar Association Hosts Inaugural Thought Leader Summit

By Levent Herguner, Alex Li, and Joe Sauer On Tuesday, November 13th, the PTAB Bar Association held its inaugural Thought Leader Summit.  The Summit featured two sessions on recent developments in the patent litigation field, as well as a keynote address from Acting...

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Assignor Estoppel Does Not Apply to IPRs

Assignor Estoppel Does Not Apply to IPRs

By Jocelyn Yu Ph.D. and Carl Kukkonen Assignor estoppel is a long-established, common-law doctrine of equity, which prevents a party who assigns a patent to another from later challenging the validity of the assigned patent.  The doctrine also applies to parties in...

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