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

474

Total Number of petitions for Covered Business Method patent review filed as of August 30, 2016

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4977

Total number of petitions for Inter Partes Review filed as of August 30, 2016

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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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Hot Topics

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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Aug 30, 2016

PTO Litigation Center Report – August 30, 2016

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

Learn More

Aug 29, 2016

PTO Litigation Center Report – August 29, 2016

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

Learn More

Aug 26, 2016

PTO Litigation Center Report – August 26, 2016

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

Learn More

Aug 25, 2016

PTO Litigation Center Report – August 25, 2016

Listed below are all new filings before PTAB of requests 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

Aug 24, 2016

PTO Litigation Center Report – August 24, 2016

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

Learn More

Aug 23, 2016

PTO Litigation Center Report – August 23, 2016

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

Learn More

Aug 22, 2016

PTO Litigation Center Report – August 22, 2016

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

Learn More

Aug 18, 2016

PTO Litigation Center Report – August 18, 2016

Listed below are all new filings before PTAB of requests 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

Aug 17, 2016

PTO Litigation Center Report – August 17, 2016

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

Learn More

Aug 16, 2016

PTO Litigation Center Report – August 16, 2016

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

Learn More