Fish & Richardson Named Top Patent Litigation Defense Firm


Fish & Richardson today announced that it has been named the top patent litigation defense firm in the U.S. by Lex Machina in itsrecent Patent Litigation Year in Review.  The report showed that Fish represented defendants in 160 new patent cases last year – nearly 100 more patent cases than the next-busiest defense firm.  Fish is one of only three firms appearing on both the top firms representing plaintiffs and top firms representing defendants lists.  Overall, Fish filed appearances in 189 new cases, compared to 69 cases for the second-ranked firm. 

According to Lex Machina’s data, only 66 of the 491 patent cases that were concluded in 2016 went to trial.  Fish handled 11 of those 66 cases, or 17% of all patent cases that went to trial.

“We help the largest companies in the world defend and protect their most valuable intellectual property.  They turn to Fish because we have unmatched IP trial experience across every industry and venue,” said Kurt Glitzenstein, the Litigation Practice Group Leader at Fish.   

The report also found that the Eastern District of Texas continues to lead the nation by number of new cases filed in 2016 with 1,662 cases.  An earlier Lex Machina report showed that Fish is the most active law firm in the that court, handling 937 cases from 2006-2015, which is 553 more than the next-ranked firm.  The District of Delaware maintained its place as the second top district for new case filings in 2016, and continued to be the top district for new ANDA cases filed, with 151 cases in 2016.  Fish is among the leading firms handling patent cases in this important jurisdiction, and has filed over 200 ANDA patent cases in the District of Delaware since January 2011.

Lex Machina’s research also showed that the number of Section 337 investigations at the International Trade Commission (ITC) rose in 2016 to 54 investigations, up from 36 cases in 2015.  Fish is handling 11 of those 54 investigations or 20% of all active patent cases at the ITC, more than any other national firm. 

Lex Machina’s 2016 Patent Litigation Year in Review surveys and summarizes the key trends and highlights in the last year, with a focus on district courts, the Patent Trial and Appeal Board (PTAB), and the ITC.  The report examines filing trends, case timing, motions, judges, top law firms, patent trends, parties, remedies and case resolutions, and damages.  The report draws upon Lex Machina’s platform that combines data from PACER, the PTAB, the ITC, the U.S. Food and Drug Administration Orange Book on Abbreviated New Drug Applications, and more.  

Fish & Richardson is a global patent, intellectual property (IP) litigation, and commercial litigation law firm with more than 400 attorneys and technology specialists across the U.S. and Europe.  Fish has been named the #1 patent litigation firm in the U.S. for 13 consecutive years and the #1 PTAB law firm in the U.S., representing more petitioners and respondents than any other firm.  Fish has been winning cases worth billions in controversy – often by making new law – for the most innovative clients and influential industry leaders since 1878.  For more information, visit

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