Account

Sign in to access your account and subscription

IPR Estoppel: The Present and the Future

IPRs have now been conducted for several years, and litigation has ensued over the procedures by which they are conducted. Decisions have been rendered by the U.S. Supreme Court and the U.S. Court of Appeals for the Federal Circuit, which have resolved some issues, created others, and altered procedures.

9 minute read May 01, 2019 at 12:07 AM
By
John P. Isacson
IPR Estoppel: The Present and the Future

The America Invents Act (AIA) created inter partes review (IPR) to allow the public to challenge issued patents based upon published prior art. IPRs allowed for greater participation for challengers, and replaced the previous inter partes reexamination procedure.

This premium content is locked for The Intellectual Property Strategist subscribers only

ENJOY UNLIMITED ACCESS TO THE SINGLE SOURCE OF OBJECTIVE LEGAL ANALYSIS, PRACTICAL INSIGHTS, AND NEWS IN The Intellectual Property Strategist

  • Stay current on the latest information, rulings, regulations, and trends
  • Includes practical, must-have information on copyrights, royalties, AI, and more
  • Tap into expert guidance from top entertainment lawyers and experts

Already have an account? Sign In Now

For enterprise-wide or corporate access, please contact Customer Service at [email protected] or call 1-877-256-2473.

NOT FOR REPRINT

© 2026 ALM Global, LLC, All Rights Reserved. Request academic re-use from www.copyright.com. All other uses, submit a request to [email protected]. For more information visit Asset & Logo Licensing.

Continue Reading

Adverse Possessor Provided Insufficient Evidence to Support TackingTown’s Installation of Guardrails Did Not Constitute a TakingMortgagee Entitled to Deficiency JudgmentLandowner Adequately Alleged Trespass During Renovation

September 01, 2026

How can legal teams move fast, reduce costs, and handle greater volumes of information? AI has rapidly become the de facto answer. But beneath the enthusiasm for AI, how are practitioners actually using AI-driven tools — and what are they learning as adoption shifts from experimentation to daily operations?

September 01, 2026

Notice of Pendency Provided Constructive Notice to Foreclosure Sale Purchaser

September 01, 2026