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

287

Total Number of requests for Covered Business Method patent review filed as of January 29, 2015

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2398

Total number of requests for Inter Partes Review filed as of January 29, 2015

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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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Reexamination Pendency

Reexamination pendency is an important factor weighed by the courts when deciding whether to stay concurrent litigation.

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Jan 29, 2015

PTO Litigation Center Report – January 29, 2015

Listed below are all new filings before PTAB of requests 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.

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Jan 28, 2015

PTO Litigation Center Report – January 28, 2015

Since the last report was compiled, there have been no new filings before PTAB of requests for inter partes review (IPR) or covered business methods review (CBM).  Additionally, no new requests for ex parte reexamination at the USPTO have been posted.

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Jan 27, 2015

PTO Litigation Center Report – January 27, 2015

Listed below are all new filings before PTAB of requests 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

Jan 26, 2015

PTO Litigation Center Report – January 26, 2015

Listed below are all new filings before PTAB of requests 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

Jan 23, 2015

PTO Litigation Center Report – January 23, 2015

Listed below are all new filings before PTAB of requests 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

Jan 22, 2015

PTO Litigation Center Report – January 22, 2015

Listed below are all new filings before PTAB of requests 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

Jan 21, 2015

PTO Litigation Center Report – January 21, 2015

Listed below are all new filings before PTAB of requests 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

Jan 20, 2015

PTO Litigation Center Report – January 20, 2015

Listed below are all new filings before PTAB of requests 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

Jan 16, 2015

PTO Litigation Center Report – January 16, 2015

Listed below are all new filings before PTAB of requests 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

Jan 15, 2015

PTO Litigation Center Report – January 15, 2015

Listed below are all new filings before PTAB of requests 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