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William O. Adams

William Adams is an accomplished and experienced patent attorney, and his primary focus is patent litigation in the biotechnology, pharmaceutical, and medical device fields. William has been involved in numerous disputes on behalf of life sciences and pharmaceutical companies, and is co-chair of the firm’s Life Sciences Litigation Group.

William has extensive experience in U.S. federal district courts regarding pharmaceutical patent litigation involving Abbreviated New Drug Applications under the Hatch-Waxman Act.  Moreover, William has been involved in counseling clients under the Biologics Price Competition and Innovation Act (the “BPCIA”). William’s technical training (B.S. in Chemical Engineering & M.S. in Biotechnology), along with his previous experience working as a pharmaceutical development scientist at a leading drug delivery company allows him to quickly understand the technology at issue.  William has had success on behalf of his clients in federal district courts, at the ITC, and at the USPTO.

Having spent time as in-house IP counsel, William truly understands the demands, perspectives, and budgets of his clients. That in-house experience has helped William ensure that each matter and case entrusted to him by his clients is handled efficiently and effectively.

University of Alabama, J.D., Editor of the Journal of the Legal Profession
The Johns Hopkins University, M.S., Biotechnology
University of Alabama, B.S., Chemical Engineering
State Bar of California
U.S. Court of Appeals for the Federal Circuit
U.S. District Court – Central District of California
U.S. District Court – Northern District of California
U.S. District Court – Southern District of California
U.S. Patent and Trademark Office

Aesthetic & Cosmetic Biotechnology


Antibodies & Immunology


Biological Manufacturing of Chemicals


Diagnostic Tools


Industrial Enzymes


Personalized Medicine

Stem Cells & Regenerative Medicine

Synthetic Biology & Nanotechnology



Chemical, Industrial & Materials

Analytical Chemistry


Chemical Engineering

Cosmetics & Personal Care Products

Food Chemistry

Fuel Cells & Batteries

Oil & Gas

Organic Chemistry

Pharmaceutical Chemistry

Physical Chemistry


Consumer Products & Services

Aesthetics & Personal Care Products

Food & Beverage

Sporting Goods & Recreation


Biodegradable Materials

Bioenergy & Biofuels


Clean Technology

Medical Devices & Procedures

Aesthetics & Implants


Biocompatible Polymers & Coatings

Cardiac Assist Device (E.g., LVAD & Heart Pumps)

Cardiac Rhythm Management


Catheters & Probes

Dental Devices

Dermatology & Aesthetics


Drug Eluting & Drug Delivery Devices

Embolic Coils

Embolic Protection & Clot Retrieving

Flow Diverter



Ophthalmology & Eye Care

Sleep Apnea

Sports Medicine


Antibodies & Immunology

Biological Manufacturing of Chemicals


Biosimilars & Hatch-Waxman Litigation

Diagnostic Tools


Personalized Medicine

Stem Cells & Regenerative Medicine



Antitrust & Competition Litigation
Appellate Litigation
Covered Business Method (CBM)
Due Diligence
HatchWaxman Litigation
Inter Partes Review (IPR)
IP Strategy
IP Transactions and Agreements
ITC Litigation
Opinions and Counseling Relating to FTC and FDA Regulations
Opinions Counseling
Patent Litigation
Patent Trial & Appeal Board (PTAB) Litigation
PostGrant Review (PGR)
PTAB Overview
Tech Transactions
Trade Secret
Trade Secret & Employee Mobility Litigation
Trade Secret & Employee Mobility Litigation
Trademark & Brand Protection
Trademark and Brand Protection Litigation
Trademark and Brand Protection Litigation
Trademark Trial & Appeal Board (TTAB) Litigation 
Unfair Competition Litigation

Recognized by The Legal 500 “United States” for Patent Litigation (2023)

  • American Chemical Society (ACS)
  • American Intellectual Property Law Association (AIPLA)
  • American Bar Association (ABA), Intellectual Property Section
  • Association of Business Trial Lawyers
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