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Marissa M. Rosenbaum

Marissa Rosenbaum focuses on all areas related to domestic and international trademark and copyright law, including, counseling, prosecution, maintenance, audits, policing, and enforcement. She also advises clients on the development and management of global trademark portfolios, counterfeit enforcement, intellectual property transactions, and unfair competition.

Marissa represents clients in several industries, including food and beverage, software, e-commerce, technology and electronic devices, retail, media and entertainment, medical devices, personal care products, and jewelry. She not only helps secure and protect trademark and copyright registrations, she also assesses risks, identifies gaps in protection, and recommends creative solutions to her clients when dealing with issues related to searches, online enforcement, assignments, and infringement.

In addition to her prosecution practice, Marissa also has experience representing clients in U.S. federal court as well as opposition and cancellation proceedings before the Trademark Trial and Appeals Board. Marissa’s experience in litigation and adversarial proceedings, as well as counseling and prosecution, enables her to give clients well-rounded and thoughtful legal advice with respect to all of their trademark and copyright needs.

University of California – Davis – School of Law, J.D.
University of California – Santa Barbara (UCSB), B.A.
State Bar of California
U.S. District Court – Central District of California

Aesthetic & Cosmetic Biotechnology

CBD & Legal Cannabis


Communications Technology

Cellular Networking & Communications

Consumer Products & Services

Aesthetics & Personal Care Products

Food & Beverage

Restaurants & Hospitality

Sporting Goods & Recreation

Electrical, Semiconductor & Computer Technology

Electronics & Semiconductors

Healthcare Information Technology

Software & IT


Energy Efficient Technologies

Fashion & Beauty






Financial Services & Business Methods

Blockchain & Smart Contracts

Cryptocurrency & Encryption

Media, Advertising & Entertainment



Film & Television

Literary Works

Mobile Applications



Social Media

Medical Devices & Procedures

Aesthetics & Implants

Dental Devices


Glucose Monitoring & Insulin Infusion

Transportation & Vehicles

Aerospace & Space Technology

Fleet Management

Brand Portfolio Management
Brand Search
Due Diligence
International Trademarks
IP Strategy
IP Transactions and Agreements
Opinions and Counseling
Opinions Counseling
Tech Transactions
Trade Secret
Trade Secret Protection Advice, Counseling, Employee & Nondisclosure Agreements
Trademark & Brand Protection
Trademark and Brand Protection Litigation
Trademark and Brand Protection Litigation
Trademark Enforcement
Trademark Registration
Trademark Trial & Appeal Board (TTAB) Litigation 
TTAB Proceedings

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