Ari Feinstein is a litigation associate in the firm’s Washington, D.C., office. Ari’s practice focuses on patent litigation, trademark litigation, and trademark oppositions. Ari also has experience with data privacy and data security compliance and procedure and is CIPP/US-certified.
Ari has experience working on intellectual property adversarial matters in a wide variety of industries, including consumer electronics, pharmaceuticals, medical devices, food and beverage, fitness and nutrition, semiconductors, HVAC, and hydrometallurgy.
During law school, Ari was an executive editor and later the Managing Editor of the Journal of Law and Technology. He also participated in the school’s Patent & Licensing Clinic. Ari received his Bachelor’s Degree in Chemistry from Case Western Reserve University.
Ari worked as a summer associate at the firm in 2016 and joined the firm in 2017.
Co-Author, "Federal Circuit: Trademark Decisions Rendered by International Trade Commission Do Not Have Preclusive Effect," World Trademark Review (May 20, 2019)
Co-Author, "The Supreme Court Holds that Non-Public Sales May Trigger the "On Sale" Bar Under the America Invents Act," Knobbe Martens Firm Alert (January 22, 2019)
Co-Author, "Intellectual Property in Nutraceuticals: Patents, Trademarks, and Trade Secrets," Nutritional Outlook (August 14, 2018)
Co-Author, "Supreme Court to Review Post-AIA-On-Sale Bar," Intellectual Property Strategist (August 2, 2018)
- Defeating the Duo: Jumping to Alice Step Two
- No Kitchen Confusion: When Comparing Marks, the Trademark Board Can Give Less Weight to Shared Terms if the Terms Are Suggestive or Descriptive
- Imaginary Slice of Accused Product Failed to Satisfy Structural Claim Limitation
- Non-Infringement Need Not Be “Actually Litigated” to Shield Accused Products From Infringement Liability in Subsequent Actions
- Do Not Bank on a Bank Not Being a “Person” Under the AIA
- Non-Prior Art Evidence May Be Used to Prove Inherency