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Villanova University School of Law
Juris Doctor, 1981

University of Notre Dame
B.S., Microbiology, 1978

Bar Admissions

• Pennsylvania, New York

Mary E. Bak

Of Counsel | 215-540-9206

Mary E. Bak is currently of counsel with the firm.  Ms. Bak was a partner of Howson & Howson LLP from early 1988 until late 2021. For seven years prior to joining Howson & Howson, Ms. Bak was an intellectual property attorney with law firms in Chicago and New York City and also served as an in-house patent counsel with a small biotechnology company in Cambridge, Massachusetts.


Ms. Bak’s practice involved national and international prosecution and appellate representation of clients in such diverse fields as the discovery and pharmaceutical uses of novel and modified genes and proteins; peptide chemistries and modification; gene therapy compositions and methods; peptide and protein-based therapies for cancer and viral diseases; antibody-based therapies for cancer and viral diseases; processes and compositions for immunological and hematological cell flow cytometric analyses; industrial chemistries including polymeric coatings and metalworking formulations among many others.


Ms. Bak has also represented corporate clients in transactional matters such as license negotiations and agreements, confidentiality agreements, as well as legal opinions on the validity and infringement of patents and freedom-to-operate in various fields. In addition to her patent practice, Ms. Bak has counseled clients in matters involving trademarks, copyrights, and unfair competition, both foreign and domestic.

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