Sterne, Kessler, Goldstein & Fox PLLC

Sterne, Kessler, Goldstein & Fox is an intellectual property law firm of ~180 professionals devoted solely to providing outstanding patent, trademark, Patent Office litigation, district court, and International Trade Commission legal services. For 40 years, we have helped companies build, defend, and enforce worldwide IP portfolios. Sterne Kessler has a proven track record at U.S. district courts, federal appeals courts, and the ITC, with worldwide oppositions, 700+ inter partes reviews, 50+ interferences, 400+ reexaminations, and 30+ covered business method patent reviews. We are the leader in PTAB litigation in the biotech and pharmaceutical industry. Further, we are leading district court litigators for both ANDA litigation and biosimilar litigation. We have represented both patent owners and petitioners in more than 80 inter partes reviews involving biotech and pharmaceutical patents, including patents covering Abiraterone acetate (Zytiga®), Ado-trastuzumab emtansine (Kadcyla®), Moxifloxacin (Vigamox®/Moxeza®), Doxycycline (Oracea®) and Azelastine hydrochloride (Astepro®). We have led ANDA litigation involving dozens of patents including azelastine hydrochloride and fluticasone propionate (Dymista®), tadalafil (Cialis®), Abiraterone acetate (Zytiga®) esomeprazole sodium (Nexium® 24Hr OTC), and Cyclosporine Ophthalmic Emulsion (Restasis®). We represent both reference product sponsor and biosimilar companies in biosimilar litigation and PTAB matters. Sterne Kessler’s service model is built on the unrivaled technical depth of its professionals. Most have an advanced technical degree and/or significant industry or academic experience; more than 50 hold a Ph.D., including backgrounds in Immunology, Molecular Biology, Biochemistry, Genetics, Pharmacology, Medicinal Chemistry, Organic Chemistry, Antibodies, Proteomics, Cell Biology, Therapeutic and Industrial Biotechnology, DNA Diagnostics, and Protein Biochemistry.