The America Invents Act has ushered in a variety of new ways to challenge patents at the U.S. Patent and Trademark Office. Learn More

Learn about inter partes review (IPR), covered business method review (CBM), post-grant review (PGR), reexaminations, derivation proceedings, and interferences. Learn More

Most recent patent office litigation statistics regarding volume and timing from the USPTO from 2007-2013. Learn More

Concise definitions and discussions of important patent office litigation concepts and terminology. Learn More

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Quick Stat

562

Total Number of petitions for Covered Business Method review filed as of October 19, 2018

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8553

Total Number of petitions for Inter Partes review filed as of October 19, 2018

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Patent Office Litigation - Order Your Copy Today

A key publication for patent owners, litigators, and IP professionals operating in today’s global economy, Patent Office Litigation is a two-volume set focused on the new contested proceedings under the America Invents Act. This book examines how the proceedings interact with other aspects of patent procurement and enforcement, and delivers practical analysis and advice. To order your copy of Patent Office Litigation today, click here.

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Protective Orders

The interplay between the duty of disclosure in a reexamination proceeding and a protective order in a concurrent litigation is a critical issue.

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Oct 19, 2018

PTO Litigation Report – October 19, 2018

Since the last report, no petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR) have been filed before the PTAB.  Additionally, no new requests for ex parte reexamination at the USPTO have been posted.

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Oct 18, 2018

PTO Litigation Report – October 18, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

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Oct 17, 2018

PTO Litigation Report – October 17, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

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Oct 4, 2018

PTO Litigation Report – October 4, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

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Oct 3, 2018

PTO Litigation Report – October 3, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

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Oct 2, 2018

PTO Litigation Report – October 2, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

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Oct 1, 2018

PTO Litigation Report – October 1, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

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Sep 27, 2018

PTO Litigation Report – September 27, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

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Sep 26, 2018

PTO Litigation Report – September 26, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

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Sep 25, 2018

PTO Litigation Report – September 25, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

Learn More