Bryan Zerhusen's practice spans all aspects of domestic and foreign patent preparation, prosecution, and counseling for innovators in the chemical and life science industries. As Chair of Cantor Colburn's Life Sciences Practice Group, Bryan’s clients include solo inventors, academic institutions, foreign law firms, venture firms, as well as companies ranging from start-ups to global corporations in the medical biotechnology, agricultural biotechnology, diagnostic, chemical, pharmaceutical, medical device and healthcare sectors.In particular, Bryan routinely performs patent drafting and prosecution; counsels clients on strategic IP portfolio management; prepares patentability and freedom-to-operate searching, analysis and opinions; prosecutes patent reexaminations; conducts due diligence investigations; and provides IP litigation support. Bryan also has extensive experience negotiating and preparing agreements relevant to the life science industry, including collaborative agreements and IP licensing agreements on behalf of solo inventors, venture firms, start-ups and emerging companies.