Knobbe Martens

Knobbe Martens wrote the patents on the first extracorporal blood oxygenator, revolutionizing cardiothoracic surgery. Successful enforcement of these patents in Shiley v. Bently in the late 1980’s produced the largest patent infringement damages award at that time. The Knobbe medical device practice has expanded steadily to perhaps the most robust in the country. Knobbe has 40 attorneys engaged full time in medical device litigation. Over the past few years, the firm has obtained judgments and settlements in excess of $1.6 billion on behalf of patentees in the medical device industry alone, and has defeated substantial infringement allegations against its clients. Pivoting with changing rules under the America Invents Act, the firm has developed procedural expertise with Inter Partes Reviews, conducting over 230 IPRs, 71 of which were in the medical device industry. The firm has about 30 attorneys engaged full time in its non-litigation medical device practice. Knobbe Martens leads the nation in medical device patent prosecution, having obtained over 4800 medical device patents since 1976 and 2700 medical device patents since 2010. As a result of its website dedicated to medical devices,, Knobbe Martens was recognized as the Top Firm in JD Supra’s 2017 Readers’ Choice Awards for having the highest level of thought leadership and visibility among readers in the medical device industry. Beyond patent litigation and patent prosecution, the firm routinely advises in IP aspects of Venture Capital and other private equity financings, strategic transactions, and Initial Public Offerings, with a cumulative value of in the billions of dollars. Overall, the firm has 282 attorneys, practicing in every industry and technology, offering the full range of intellectual property services including trademarks, copyright, trade secret, and related aspects of technology law.