Trademark Attorney · San Diego
Trademark Attorney San Diego: Protect Your Brand With The Schenk Law Firm
For a San Diego business, your brand is your reputation in the market. The Schenk Law Firm gives you a trademark attorney San Diego companies trust to clear, register, and defend that brand with the USPTO, backed by local knowledge of the California courts where disputes are decided. Led by David Lizerbram, we pair federal filing experience with a San Diego trademark lawyer's feel for the local market.
- Local and nationwide. Trademark protection is federal, so we file with the USPTO and represent you across the country, from our San Diego base.
- California dispute knowledge. We build infringement cases around Ninth Circuit law and the eight Sleekcraft factors that decide confusion here.
- In person when you want it. Meet your attorney by phone or in the office, not only through a portal.
What we do
Trademark Services for San Diego Businesses
Our San Diego trademark attorney services cover the full life of a mark: clearance searches, federal registration, office-action responses, enforcement, licensing, and renewal. Businesses that want a trademark attorney San Diego they can meet in person get federal filing experience alongside local knowledge of California courts. As a trademark law firm San Diego companies trust, we give you a trademark lawyer San Diego you can reach by phone or in the office. A San Diego trademark lawyer on our team manages your filing end to end.
Clearance searches
Check availability before you investFederal registration
File correctly with the USPTOOffice-action responses
Answer and overcome USPTO refusalsEnforcement
Act against copycats and infringersLicensing
Extend your brand under controlRenewal and maintenance
Keep your registration aliveFor the full service list and a step-by-step look at registration, see our national trademark attorney page.
Meet your attorney
A San Diego Trademark Lawyer Who Knows Local Business
David Lizerbram leads brand protection at The Schenk Law Firm and has filed, prosecuted, and managed more than 850 trademark applications with the USPTO. As a trademark attorney in San Diego, he has spent over 20 years advising local founders, family-owned companies, and established brands on registration and enforcement, and can represent them before the USPTO nationwide. Working with a San Diego trademark lawyer who understands the local business community makes it easier to plan brand strategy around how your company will grow.
Know the law
California Trademark Law San Diego Businesses Should Know
Trademark registration is federal, but infringement disputes involving a San Diego business are usually decided in the Ninth Circuit and under California law. Three points matter most, and they are where a local San Diego trademark lawyer adds real value.
How the Ninth Circuit decides trademark infringement
California federal courts, including the Southern District of California in San Diego, apply the eight Sleekcraft factors to decide whether two marks are likely to confuse consumers:
- Strength of the mark
- Proximity of the goods
- Similarity of the marks
- Evidence of actual confusion
- Marketing channels used
- Degree of buyer care
- The defendant's intent
- Likelihood of product-line expansion
A San Diego trademark infringement lawyer builds the case around these factors.
AMF, Inc. v. Sleekcraft Boats, 9th Cir. 1979.
California's Unfair Competition Law and your brand
California's Unfair Competition Law, Business and Professions Code § 17200, prohibits any unlawful, unfair, or fraudulent business practice. It often runs alongside a federal trademark claim, giving a San Diego business a second route to stop a competitor who trades on its name. The law carries a four-year limitations period.
How long you can wait to sue in California
The federal Lanham Act sets no statute of limitations for trademark infringement. Instead, courts borrow the most analogous state period and apply the equitable doctrine of laches. In California, the Ninth Circuit treats the state's four-year trademark limitations period as the benchmark, and a plaintiff who waits longer faces a strong presumption that the claim is barred by laches. Acting promptly protects your rights.
Pinkette Clothing, Inc. v. Cosmetic Warriors Ltd., 9th Cir. 2018.
This section is general information about California and Ninth Circuit trademark law, not legal advice for your specific situation.
Why us
Why San Diego Businesses Choose The Schenk Law Firm
The Schenk Law Firm is based in San Diego and backed by a broader business advisory and transactions practice. Our San Diego trademark attorneys combine federal USPTO experience with local knowledge of California brand disputes, so clients get both reach and proximity. Businesses that want a trademark attorney San Diego nearby choose us for exactly that balance. If a competitor copies your mark, a San Diego trademark infringement lawyer on our team can move quickly in the Southern District of California. Whether you need trademark San Diego clearance help or a trademark law firm San Diego you can visit for enforcement, our San Diego trademark attorneys stay close to home.
Protect your brand today
Request a consultation or call (858) 424-4444 to speak with a trademark attorney San Diego businesses rely on.
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