Peter is co-chair of Quinn Emanuel's Global Life Sciences Practice. Peter focuses his practice on patent infringement and inventorship litigation and counseling matters regarding pharmaceuticals, biologics, DNA sequencing technologies, and medical devices, but has also served as lead counsel for both plaintiffs and defendants in a wide range of patent and general commercial matters in courts across the country and in national and international arbitrations.
Peter has been recognized by Chambers USA as a leading lawyer in intellectual property every year since 2007, and has been similarly recognized by Chambers Global every year since 2013. Chambers has noted in various years that Peter is "a fantastic trial lawyer," "one of the brightest ANDA litigators out there today," "tremendously strategic in setting up a case," and has a "track record of winning."
Managing Intellectual Property magazine named Peter one of "America's Best Life Sciences Litigators," including him in its Top 10 list for 2012. The LMG Life Sciences rankings echo this praise, listing Peter as a top performer in every edition.
Peter has also been listed in a number of other guides and rankings, including the IAM Life Sciences 250, the IAM Patent Litigation 250, and the IAM Patent 1000. IAM has reported client comments that "he is one of the smartest lawyers out there and handles cases expertly and efficiently, obtaining great results at a reasonable cost – often through facilitating early wins."