Big Firm Expertise,

Local Firm Attention

MacArthur James is an IP-concentrated law firm that brings decades of hands-on litigation, licensing and IP enforcement experience to its matters. MacArthur James bridges the best of big-law, high-level partner expertise with a personalized concierge-like client experience.

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Critical Focus and

Creativity

The analytical landscape differs with each client, and we apply exceptional creativity to specifically tailor our legal strategy, while minimizing distracting and expensive tangents. MacArthur James’s strident focus on obtaining our client’s goals allows our clients to achieve the best possible outcome while minimizing unnecessary expense.

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Distinguished

Representation

Experience is part of developing a successful law practice. The lawyers at MacArthur James have been achieving victories for the most sophisticated clients nationwide for over a quarter-century. MacArthur James provides the skilled legal advice and representation companies need.

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Skilled Guidance in Intellectual Property

With a clear understanding of our clients’ needs, we address the full landscape of circumstances and set strategies to achieve success. MacArthur James provides the high-level guidance clients demand across the full spectrum of intellectual property matters.

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CLIENT-FIRST MENTALITY

MacArthur James is premised on a client-first approach, and is committed to a concierge-like experience for its clients. MacArthur James always looks to achieve the best result as quickly and efficiently as possible. When quick resolution is not possible, MacArthur James has the experience and skill to handle all types of IP matters that arise. Our lawyers have enjoyed successful client outcomes for decades, achieving victories in trials, appeals, IPRs and dispositive motions for numerous clients involving all types of technologies. 

BROAD EXPERIENCE AND PROVEN SUCCESS

Experience is part of developing a successful law practice, and at MacArthur James, we help companies get the skilled legal advice and representation they need. MacArthur James' founding partners Doug Muelhauser and Payson LeMeilleur have been practicing IP law for over 25 years. They have achieved favorable results representing sophisticated high-tech clients and large-revenue companies. They have handled cases before federal district courts across the country, federal appellate courts, the U.S. International Trade Commission (ITC) and at the U.S. Patent and Trademark Office (PTO) before the Patent Trial and Appeal Board (PTAB).

POSITIONING CLIENTS TO SUCCEED

Obtaining favorable results begins with effective listening, and we listen carefully to our clients. MacArthur James strives to foster real connections with clients. We put complex legal issues into language that is easily understandable, and provide our clients with the analysis necessary to make the most informed decisions. We treat clients with respect and spend time to make sure that they fully understand the legal process.

When your company needs legal guidance on a major decision, your company deserves attorneys who will listen to you, thoroughly examine the facts, explain the law, and provide the best possible solution for your company's future.

MACARTHUR JAMES

PROVIDES THE CLARITY YOU NEED



Our attorneys have advocated for clients for over 25 years. Get the legal direction, counsel, and representation you need. We can guide your best course of action.

PRACTICE AREAS

DISTRICT COURT LITIGATION

APPELLATE LITIGATION

INTER PARTES REVIEW (IPR)

COUNSELING

ANALYSIS

LICENSING

LEGAL OPINIONS

PATENT PROSECUTION

TRADE SECRETS

TRADEMARKS

COPYRIGHTS

ALTERNATIVE DISPUTE RESOLUTION (ADR)

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MacArthur James is dedicated to helping your company succeed.

949-691-3060


OFFICE LOCATION

MacArthur James LLP

3001 Red Hill Avenue, Building 4, Suite 213

Costa Mesa, CA 92626