Essentials

Your guide to avoiding the pitfalls, asking the important questions, knowing the timetables, and understanding both substantive and procedural aspects of reexamination law.

Mistakes to Avoid

Avoid these common pitfalls during a reexamination proceeding.

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Common Questions

What is reexamination and its effect on concurrent proceedings?

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Reexamination Timeline

Strategic considerations when litigation is threatened or pending.

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Terms and Concepts

Essential terminology, concepts, and concise definitions.

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Statistics

USPTO statistics regarding volume and timing of reexaminations.

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Latest News

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Executive Interviews

The Reexamination Center Executive Interview: Dr. Nancy J. Linck

The Reexamination Center interviews Nancy J. Linck, Ph.D. on a variety of post-grant challenge options at the PTO, including inter partes and ex partes reexamination and the new options introduced within the America Invents Act signed into law in September 2011.

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Quick Stat

923

Total number of inter partes requests filed from November 29, 1999.

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