Areas of Practice

Trademark Law

California Trademark Attorney

Worldwide trademark protection

At Wang, Hartmann, Gibbs & Cauley, PC, we use sophisticated software to track trademarks in countries throughout the world. Our California trademark attorneys combine this technology with a network of law firms around the world to monitor and pursue infringement matters on a global scale.

To register a trademark or to pursue an infringement matter anywhere in the world, please call or e-mail our intellectual property law firm. Contact a California trademark attorney.

Protect Your Investment - Protect Your Mark

Our intellectual property lawyers represent clients in a wide range of industries. We serve companies who want to protect the integrity of international brand names, logos, slogans, and other product-related expressions. We handle infringement lawsuits nationwide and represent the interests of businesses at the United States Patent and Trademark Office (USPTO) in Alexandria, Virginia. Our law offices in the U.S. and China handle trademark matters including:

  • Filing trademark applications with USPTO
  • International monitoring of registered trademarks
  • Conduct prior art searches
  • File opposition in infringement litigation
  • Defend opposition in infringement litigation

For effective legal counsel in trademark matters, contact our California law firm.

U.S. offices in Newport Beach and San Jose, CA
International office in Beijing


Serving domestic and multi-national corporations with business interests in the United States, China, Korea, the Philippines, India, Africa, Europe, and Latin America. We represent California businesses based in Los Angeles, San Diego, San Francisco, Oakland, Sacramento, Costa Mesa, Irvine, Laguna Hills, Palo Alto, Long Beach, Santa Ana, and in the communities of Orange County, Riverside County, and San Bernardino County.

Please contact us today to set up a legal consultation:


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IP & Business Law

WHGC Newport Beach, CA
1301 Dove St, Suite 1050
Newport Beach, CA 92660

WHGC Mountain View, CA
2570 West El Camino Real,
Suite 440
Mountain View, CA 94040

Beijing, China
12/F, Excel Centre
No.6, Wudinghou Street,
Xicheng District
Beijing, P.R. China 100032

Taipei, Taiwan

TELEPHONE:
1-888-WHGCLaw
1-888-944-2529