Post Grant Review (PGR) petitions are on the rise, and nearly half of all petitions to date have challenged patents in Biotechnology and Organic Chemistry, or Chemical and Materials Engineering technology centers.[1] We have reviewed PGR petitions filed against patents in these technology categories.[2] One final written decision issued on Nov. 14, 2016,[3] and more … Continue Reading
The U.S. Patent and Trademark Office has new and popular procedures for challenging the validity of (in other words, killing) a competitor’s patent. The most powerful procedure, a Post-Grant Review (PGR), must be filed within nine months of the grant or “issue date” of any patent with a priority date of March 16, 2013, or … Continue Reading
