Those familiar with Patent Trial and Appeal Board proceedings are no doubt aware of some basic trends with respect to post-grant challenges: Institution rates have dropped over the past two years to around 60 percent, and the likelihood of at least some challenged claims surviving a PTAB proceeding has correspondingly increased. This article, rather than focusing on statistics, analyzes recent case law developments, rule changes and shifting legal frameworks, and presents five factors that companies facing patent infringement claims should consider when determining how to best leverage the advantages of PTAB proceedings.
SAS Institute Inc. v. Iancu -
The U.S. Supreme Court’s SAS decision generated significant debate over whether petitioners or patent owners will benefit more from the decision. Regardless of the overall balance, it is clear that the threat of estoppel with respect to prior art has grown significantly, and petitioners can no longer expect that printed prior art will be available at trial. Petitioners can alleviate estoppel concerns by (1) investigating system art early, because that art is not subject to potential estoppel; (2) conducting more intensive and thorough prior art searching earlier in cases, so that the best art is presented in an inter partes review petition; and (3) preparing high quality IPR challenges shortly after a patent lawsuit has been filed.
Originally published in Law360 on October 16, 2018.
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