05.29.19 | Manav Das

Manav Das

Of Counsel

Manav focuses his practice on preparing and prosecuting patents involving computer technologies, as well as client counseling, due diligence, and opinion work. With a Ph.D. in mathematics and more than a decade of experience working in academia, law firms, and in-house legal departments, Manav offers clients a unique and valuable perspective.

In addition to his patent prosecution practice, Manav has extensive experience managing global patent portfolios and negotiating complex commercial agreements with large multinational companies. He has a specialty in software-related technologies, especially those focused on mathematical algorithms, and also has experience conducting inventor interviews and providing litigation support on patent, trademark, copyright, and trade secret issues, as well as with inter partes reviews.

Manav has represented clients before the U.S. Patent and Trademark Office in matters involving a wide range of technologies, including IoT, big data, analytics, natural language processing, lighting systems, networking, storage, memory interfaces, information security, machine learning, search and query processing, mobile and e-commerce.

Prior to joining Banner Witcoff, Manav was a senior corporate counsel at global software companies Micro Focus International PLC, Hewlett Packard Enterprise Company, and Hewlett-Packard Company. In these roles, Manav managed global patent portfolios, handled deal negotiations, reviewed work of outside and in-house counsel, and advised sales executives, inventors, and legal department, business, and research and development leaders.

Manav is also adjunct faculty for Mathematical Sciences at DePaul University. He previously served as a tenured professor at University of Louisville’s College of Arts and Science, where he taught mathematics, conducted research, authored several articles, and received a number of awards for his research and teaching.


71 South Wacker Drive,
Suite 3600
Chicago, IL 60606

T 3124633000
F 3124633001
E EmailMDas@bannerwitcoff.com


B.S. 1989, St. Stephen’s College, University of Delhi

M.S. 1991, Ohio State University

Ph.D. 1996, Ohio State University

J.D. 2008, Louis D. Brandeis School of Law at the University of Louisville

Court Admissions

U.S. District Court for the Western District of Kentucky

Supreme Court of Illinois

U.S. Patent and Trademark Office


American Intellectual Property Law Association
South Asian Bar Association (SABA) of Chicago