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Joseph  Trojan

Joseph Trojan

Providing quality intellectual property services since 1991
  • Intellectual Property, Trademarks, Patents ...
  • California, US Patent Bar
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Lawyer Rating and Reviews
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Lan Cuong Dang
Lan Cuong Dang October 8, 2021
Rating: 10 Lawyer Rating - 10 out of 10
One of the most admirable qualities of Joe Trojan is that, unlike the impersonal legal services provided at big firms, he gives individual attention to each client, treating clients large and small with equal consideration.
Client Reviews
S. E. October 14, 2020
Trojan Law Offices: HIGHLY recommended We have been using Trojan Law Offices the past few years for both for patent and trademark issues. We have always found Trojan Law Offices to be very effective, easy to work with & communicate with and reasonably priced. I would HIGHLY recommend utilizing their services.
Claimed Lawyer ProfileOffers Video ConferencingLII GoldSocial MediaResponsive Law

Joe Trojan is a registered patent attorney and trial lawyer in Los Angeles with more than 32 years experience obtaining and enforcing patents and trademarks throughout the world for his clients worldwide. Holding degrees in biological sciences as well as in law, Mr. Trojan’s practice has a particular focus in the life science technologies including biotechnology, medical devices, organic chemistry, pharmaceuticals and more. He also has represented clients in various industries: mechanical, chemical, manufacturing, retail, apparel, retail, commerce, and software. He drafts and negotiates licensing agreement. As an accomplished trial lawyer, he has extensive experience litigating patents, trademarks, and trade dress cases throughout the United States. Litigation can be a costly endeavor; therefore, Mr. Trojan works to resolve disputes, when possible. However, should a case proceed to trial, he is skilled at presenting complicated legal and scientific issues to judges and juries in a clear manner using innovative techniques to obtain successful outcomes. He also has served as a local counsel for litigations in all California district courts assisting out of state attorneys and as a patent law expert in patent litigation cases. Trojan Law Offices has four other licensed patent and trademark attorneys who are specialized in intellectual property.

Mr. Trojan has effectively argued appeals before the Ninth Circuit Court of Appeals and the Federal Circuit Court of Appeals in Washington, D.C. With respect to licensing, he has negotiated complex multinational patent licenses for his clients and has developed effective licensing strategies for monetizing entire patent portfolios.

Practice Areas
    Intellectual Property
    Trademark Litigation, Trademark Registration
    Patent Appeals, Patent Litigation, Patent Prosecution
    Business Law
    Business Contracts, Business Dissolution, Business Finance, Business Formation, Business Litigation, Franchising, Mergers & Acquisitions, Partnership & Shareholder Disputes
Additional Practice Area
  • Patent, trademark, trade dress, and copyright litigation
Video Conferencing
  • FaceTime
  • Zoom
  • Free Consultation
    We offer a free initial 20 minute consultation over the phone. As we are a boutique IP law firm without a large overhead, we can provide you with quality of service with a reasonable fee. Please contact us for an estimate. We offer flat fees for initial trademark and patent applications. We also offer a flat fee for an office action analysis, drafting and filing. We are happy to provide you with estimates. Please see testimonial from our clients for our work on our website. We look forward to assisting you with obtaining your intellectual property protection.
  • Credit Cards Accepted
    For your convenience, our firm accepts secure, online payments through LawPay.
  • Rates, Retainers and Additional Information
    Contact for details.
Jurisdictions Admitted to Practice
State Bar of California
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US Patent Bar
ID Number: 34264
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2nd Circuit
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9th Circuit
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10th Circuit
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Federal Circuit
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U.S. Supreme Court
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  • Chinese: Spoken, Written
  • English: Spoken, Written
  • Japanese: Spoken, Written
  • Vietnamese: Spoken, Written
Professional Experience
Trojan Law Offices
Loyola Law School, Los Angeles
J.D. (1988) | Law: Intellectual Property
Honors: American Jurisprudence Award in Patent Law Honors: Jessup International Moot Court Competition, Honolulu, Hawaii, 1987
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University of Southern California
B.S. (1985) | Biological Sciences/Molecular Biology Program
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3 Best Patent Attorney in Los Angeles, CA
Joseph Trojan named 3 Best Patent Attorney in Los Angeles, California based on 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence.
Professional Associations
American Bar Association
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Patent practitioner
- Current
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California State Bar  # 137067
- Current
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Websites & Blogs
Los Angeles Intellectual Property Lawyer
Los Angeles Trademark Lawyer
Los Angeles Patent Lawyer
Contact & Map
Los Angeles Office
9250 Wilshire Blvd
Beverly Hills, CA 90212
Telephone: (310) 777-8399
Fax: (310) 777-8348
Monday: 9 AM - 6 PM
Tuesday: 9 AM - 6 PM
Wednesday: 9 AM - 6 PM
Thursday: 9 AM - 6 PM
Friday: 9 AM - 6 PM
Saturday: Closed (Today)
Sunday: Closed
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