3 Best Patent Attorneys in Los Angeles, CA

Expert-recommended Top 3 Patent Attorneys in Los Angeles, California. All of our patent lawyers actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

9+ YEARS IN TBR
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OMID KHALIFEH

OMNI LEGAL GROUP
2029 Century Park East, Suite 400,
Los Angeles, CA 90067 Directions

Since 2009

Specialty:

Design and Utility Patents Patent Filing Patent Litigation Trademarks Filing and Litigation Copyrights Trade Secret Law Business Law Cyber Law Mediation Patent Infringement Trademark Infringement

"Omid Khalifeh is the founder and principal patent attorney of Omni Legal Group. He completed his JD at Chapman University School of Law. He is a member of the Los Angeles Intellectual Property Law Association, American Bar Association, Orange County Patent Law Association, and California County Bar Association. Omid Khalifeh is admitted to practice in the United States Court of Appeals for the Ninth Circuit, the Central District of California, and the Federal Circuit. Omid Khalifeh is a published attorney who has experience dealing with a wide variety of intellectual property issues. He has served on matters for Fortune 500 companies and represents clients in disputes involving copyrights, trademarks, patents, trade secrets, and cyber law disputes. Omni Legal Group is a well-established law firm in Los Angeles, California. They have filed hundreds of trademarks and patents and have served hundreds of clients. At the Omni Legal Group, they excel at protecting inventions using provisional and non-provisional patent applications, design patent applications, and even filing a plant patent application. Their patent attorney, specially trained to file patent applications in the USPTO, will personally handle your case. They ensure your patent, trademark, and copyrights, as you might with a deed to a house or registration with the DMV. An experienced trademark attorney at Omni Legal Group will help by analyzing your trademark and filing your federal trademark application. They will be here to advise and assist you through the entire trademark registration process. Omni Legal Group has offices in Los Angeles, Santa Monica, and Beverly Hills. Contact them today for a free consultation.

2026 Update: Omid Khalifeh is fluent in Persian, Hebrew, and Japanese. His firm assists in filing patent, trademark, and copyright applications with the United States Patent and Trademark Office (USPTO), the United States Copyright Office, and patent and trademark offices all around the world."

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License #267340

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6+ YEARS IN TBR
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R. JOSEPH TROJAN

TROJAN LAW OFFICES
9250 Wilshire Boulevard, Suite 325, Beverly Hills,
Los Angeles, CA 90212 Directions

Since 1988

Specialty:

Patent Applications Patent Litigation Trademark Application Trademark Litigation Trademark Infringement International Patent and Trademark Intellectual Property Rights Biomedical Patents Patent Infringement Pharmaceutical and Biologic Patents Licensing Agreement Intellectual Property Due Diligence Intellectual Property Ownership Disputes

"R. Joseph Trojan is the owner of Trojan Law Offices. He completed his JD at Loyola Law School. He is admitted to the State Bar of California. His firm is located 12.7 miles from Los Angeles. He was a member of the California State Bar Association, Intellectual Property and Litigation Section, Federal Bar Association, Intellectual Property and Litigation Section, American Bar Association, Intellectual Property and Litigation Section, American Intellectual Property Law Association, Patent Trial and Appeal Board (PTAB) Bar Association. R. Joseph Trojan is a registered patent attorney and trial lawyer in Los Angeles with over 37 years of experience obtaining and enforcing patents and trademarks worldwide for his clients. He is one of 13 attorneys selected in California as Top Prosecutors in the Pharmaceutical and Biotechnology area. He strongly emphasizes life science technologies and experience in addressing complex legal and scientific issues. Trojan Law Offices works with individual entrepreneurs, small businesses, and large corporations, helping protect ideas and inventions. The firm is unique in its ability to support, counsel, and represent clients seeking protection in IP matters and has been serving in California since 1991. They have filed and/or registered over 5,519 intellectual property applications, including 591+ U.S. patents, 1,417+ U.S. trademarks, 1,906+ overseas patents, and 1,605+ overseas trademarks. They serve all 50 states and worldwide. The firm describes the emerging spirit of dynamism and innovation that characterizes much of Asia and Silicon Valley. Call them to schedule a free consultation.

2026 Update: R. Joseph Trojan is admitted to the State Bar of California, U.S. District Court, Southern, Central, and Northern Districts of California, U.S. Court of Appeals, Second, Ninth, and Federal Circuits; 1994, U .S. District Court, District of Arizona; U.S. Supreme Court; and is registered to practice before the U.S. Patent and Trademark Office."

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License #137067

Contact:

(310) 777-8399

Mon-Fri: 7am - 8pm
Sat : 9am - 5pm
Sun: Closed

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3+ YEARS IN TBR
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MICHAEL N. COHEN

COHEN IP LAW GROUP, P.C.
9025 Wilshire Boulevard, Suite 301, Beverly Hills,
Los Angeles, CA 90211 Directions

Since 2003

Specialty:

Patent Searchers Patent Application Design Patents Trademark Searchers Business Law Trademark Litigation Patent Litigation Copyright Litigation Business Litigation Entertainment Law Employment Law Japanese Law Internet Law

"Michael N. Cohen is the founder and principal attorney at the Cohen IP Law Group, P.C. He graduated with his JD from Southwestern University SOL. Michael N. Cohen is a member of the United States Patent and Trademark Office. Cohen represents Fortune 500 and midsize companies as well as emerging startups and entrepreneurs. His practice essentially involves intellectual property prosecution and litigation, particularly in patent and trademark matters, as well as other business litigation and transactional matters. Michael N. Cohen handles 100 patent application cases, 700 trademark application cases, 20 patent infringement cases, and 25 trademark infringement cases. He represents and counsels clients in high technology, mechanical arts, manufacturing, fashion, retail, commerce, and various service industries. Cohen is registered to practice before the United States Patent and Trademark Office as a patent attorney and is an experienced litigator in all IP and business litigation phases. He also specializes in Internet and domain name disputes, including UDRP proceedings and cybersquatting, and has successfully obtained preliminary injunctions against cybersquatters. Cohen IP Law Group, P.C. was established to help individuals and businesses develop and protect their intellectual property assets. They have filed thousands of trademark and patent applications for clients from startups to established companies in California, the United States, and worldwide.

2026 Update: Cohen Ip Law Group, P.C. has protected 2000+ patents & trademarks filed, and the firm secured a $2.1 million settlement in a copyright class action case, vacated a $1.3 million default judgment in a trademark dispute, and successfully handled trademark and patent cases with favorable outcomes."

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Top Trademark Lawyers in The U.S. by Intellectual Property Today Magazine
License #225348

Price:

Hourly Rates Per Hour
Starts From $300
Up To $375

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