Professionals
Practice Areas
- Chemical and Material Sciences Practice
- Life Sciences Practice
- Pharmaceutical Practice
- Pharmaceutical Litigation
- Pharmaceutical Patent Services
- Patents
- Utility, Design, and Plant Patent Filing with the USPTO
- Foreign & PCT Patent Filing
- Product Clearance
- Expedited Patent Examination
- Patent Landscaping and Risk Analysis
- Strategic IP Portfolio Development and Management
- Design Patents Practice
- Opinions
- Non-infringement Opinions
- Invalidity Opinions
- Right to Practice Opinions
- Patentability Opinions
- Patent Litigation
- Trade Secret Litigation
- Post-Grant Review
- Inter Partes Review
- Ex Parte Reexaminations
- Patent Reissue
- Derivation Proceedings
- Licensing
- Technology Transfer
- Due Diligence in IP Acquisitions
- Trademarks and Trade Dress
Technologies
- Biotechnology
- Chemistry
- Pharmaceuticals & Pharmaceutical Formulation
- Chemical Engineering
- Polymer & Materials Science
- Food Science
- Environmental Engineering
- Metallurgy & Ceramics
- Nanotechnology
Honors
Admissions
- U.S. Patent and Trademark Office, 2003
- Connecticut, 2005
Education
Quinnipiac University School of Law, J.D., 2005
Case Western Reserve University School of Medicine, Ph.D. in Cell Physiology and Biophysics, 2000
Miami University, B.A. in Zoology, 1993
Bryan D. Zerhusen, Ph.D.
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. Chair of the firm'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.
Experience Highlights
Partner and Chair, Life Sciences Practice Group, Cantor Colburn LLP, 2018-present
Partner and Co-Chair, Life Sciences Practice Group, Locke Lord LLP, 2014-2018
Partner, McCarter & English, LLP, 2012-2014
Patent Attorney, McCarter & English, LLP, 2003-2012
Research Scientist, CuraGen Corporation, 2000-2003
Representative Matters
- Procured domestic and international patent protection for a biopharmaceutical start-up company from inception through three fund raising rounds, multiple industry collaborations, public offering, and anticipated first IND filing.
- Performed a large-scale due diligence study of an innovative biotechnology company developing novel antibody-based therapeutics for a global venture firm in connection with a $40 MM investment round.
- Performed a large-scale due diligence study for a consortium of venture firms in connection with a $15 MM investment in a company developing novel strategies for developing small molecules that target proteins for degradation.
- Procured domestic and international patent protection for a biotechnology start-up company for an IND-ready protein therapeutic.
- Petitioned and prosecuted the Inter partes reexamination of three patents covering dietary supplement formulations for a client wishing to make and sell related products.
- Defended ex parte and inter partes reexaminations on behalf of a large pharmaceutical company for a drug formulation generating $100 MM/year in revenue.
News
- Best Lawyers
Cantor Colburn is proud to announce that the following attorneys are recognized as 2025 Best Lawyers: Christopher C. Boehm, David Bomzer, Alison Caless, Michael A. Cantor, Michelle P. Ciotola, Philmore H. Colburn II, Steven M. Coyle, Nicholas A. Geiger, Charles F. O'Brien, Roberta L. Pelletier, Leah M. Reimer, Ph.D., David E. Rodrigues, Ph.D., Michael J. Rye, Bryan D. Zerhusen, Ph.D., Susan M. Zerull. Michael Cantor is a Best Lawyer Lawyer of the Year.
- February 19, 2023
AUTM’s Annual Meeting is the largest gathering of technology transfer professionals. This year's meeting on February 19-21, 2023, in Austin is a chance to connect, and gain insights from world-class speakers and panels from more than 90 educational sessions. Cantor Colburn's team at the meeting is Anne Maxwell, Ph.D. Bryan Zerhusen, Ph.D., Charlie O'Brien and Nicholas Herrel, Ph.D.
- July 16, 2018
Cantor Colburn has expanded its Life Sciences Practice Group with the addition of Bryan D. Zerhusen, Ph.D. as a partner in the firm’s Hartford headquarters office. Dr. Zerhusen will be the Chair of the firm’s exceptionally talented life sciences practice.
Events
- September 19, 2024Branford, Connecticut
BioCT’s Annual Bioscience and Beer Mixer + Special Edition Collaborative CT will be attended by Anne Maxwell, Bryan Zerhusen, Nick Herrel, and Todd Garabedian on September 19, 2024.
- June 3, 2024San Diego
- February 19, 2023Austin, Texas
AUTM’s Annual Meeting is the largest gathering of technology transfer professionals. This annual, international meeting is a chance to connect, and gain insights from world-class speakers and panels from more than 90 educational sessions. The 2023 meeting will be held on February 19-22, 2023 in Austin, Texas.
- February 9, 2023webinar
UConn Technology Commercialization Services present "Patent Eligible Subject Matter in the Life Sciences - Interpreting 35 USC 101" with Cantor Colburn attorneys Bryan Zerhusen, Ph.D., chair of Cantor Colburn's Life Sciences Practice Group, and Nicholas Herrel, Ph.D.
- December 6, 2019New Haven, Connecticut
Bryan Zerhusen, Ph.D., Esq. will attend Yale Lifesciences Pitchfest on December 6, 2019. Last year, more than 400 people attended the event, which includes a Shark-Tank style pitch competition to pharmaceutical representatives, venture capital firms, angel investors, and entrepreneurs.
- October 23, 2019The Jackson Laboratory for Genomic Medicine (Farmington, Connecticut)
Cantor Colburn is proud to sponsor The JAX Healthcare Forum presented by The Jackson Laboratory for Genomic Medicine on October 23-24, 2019, at the Jackson Laboratory's Farmington, Connecticut headquarters. The Forum will focus on emerging science and technology that will change the future of healthcare, and innovations in healthcare.
- June 3, 2019Philadelphia
The BIO International Convention 2019 is in Philadelphia on June 3-6, 2019. More than 16,000 biotechnology and pharma leaders will come together for intensive networking to discover new opportunities and partnerships among a wide spectrum of life science and application areas, including drug discovery, biomanufacturing, genomics, biofuels, nanotechnology and cell therapy.
- May 18, 2019Boston, Massachusetts
The 141st annual meeting of the International Trademark Association (INTA) will take place in Boston, Massachusetts from May 18-22, 2018. Nearly 10,000 intellectual property professionals from around the world will attend, including a large delegation from Cantor Colburn.
- February 10, 2019Austin, Texas
The Association of University Technology Managers (AUTM) will hold its Annual Meeting, February 10-13, 2019, in Austin, Texas. More than 1,700 technology transfer professionals from around the world participate in the AUTM Annual Meeting, which features networking, professional development and sessions to keep you up-to-date on trends in technology transfer. Cantor Colburn partners with many public and private university technology transfer offices to protect their IP.
- November 29, 2018Boston, Massachusetts
Bryan D. Zerhusen, Ph.D., Esq., will attend the Life Sciences IP Due Diligence Forum on November 29-30, 2018 in Boston. Bryan chairs the Cantor Colburn Life Sciences Practice Group.
Professional Affiliations
Intellectual Property Owners Association (IPO)
American Intellectual Property Law Association (AIPLA)
Association of University Technology Managers (AUTM)
BioCT
Boston Patent Law Association