Santa Ana, CaliforniaMon–Fri · 9:00, 6:00 PT

Business & Intellectual Property Attorneys
in California

Our Expertise: Business Law, IP, and Commercial Collections

Open · responding nowUSPTO Registered

Why choose Sari Law Firm?

We handle business contracts, trademark registration, IP enforcement, and commercial collections for California companies. Flat fees where possible. Written engagement letters before any work begins. Orange County based, statewide reach.

Our clients are founders, operators, and brand owners who need clear answers and results. Free initial consultation. Most engagements start within a week.

100+
Trademarks Registered
$1M+
Recovered for Clients
5+
Years Experience
CA
Statewide Coverage

Areas of Practice

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Client Voices
Exceptional trademark attorney! Their expertise and dedication in handling trademark matters were truly impressive. They guided me seamlessly through the complexities of the process, ensuring every detail was addressed efficiently. With their help, I successfully secured my trademark without any hiccups. Highly recommended for anyone seeking top-notch trademark legal assistance
E. Wang
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Direct lines, every matter.

No call-trees, no associate handoffs. The partner you meet on day one is the partner who closes the matter.

Meet the team →
Yakup Sari

Yakup Sari

Founder
Seyhan Dayıoğlu

Seyhan Dayıoğlu

Associate
Tarik Torlak

Tarik Torlak

Counsel
Burak Aridal

Burak Aridal

Law Clerk

Success Stories

All Cases →
A 'WRIT OF ATTACHMENT, Superior Court of California, Orange County' court document showing '$1,236,612.20,' beside a stack of 'INVESTMENT FUND STATEMENT' pages secured by a small brass padlock and a court-sealed envelope with a red wax seal, evoking the pre-judgment securing of misappropriated investment funds.
$1,236,612

$1,236,612 Writ of Attachment: Orange County Investment Fraud

2026Yakup Sari Esq.
Read the case
A 'JUDGMENT, Superior Court of California' document displaying '$472,731.03' beside a signed contract page marked 'BREACH OF CONTRACT, FRAUD' with red-ink annotations, a wooden gavel and brass fountain pen resting across both, photographed under warm chamber light, evoking a successful California business-litigation recovery.
$472,731

$472,731 Judgment: Breach of Contract and Fraud in California

2026Yakup Sari Esq.
Read the case
A deep stack of issued federal trademark registration certificates fanned across a lawyer's desk, each headed 'CERTIFICATE OF REGISTRATION' with the gold United States Patent and Trademark Office eagle seal at the top, a tied bundle of more certificates behind, and a brass ® paperweight in the foreground, evoking 100+ successful USPTO trademark registrations.
100+ Trademark

Sari Law Firm Successfully Completed 100+ Trademark Registrations

2026Yakup SARI
Read the case
We measure success not by the size of the case, but by the certainty we give our clients, and the relief that follows.
Yakup Sari, Esq. · Founder, Sari Law Firm

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Editorial photograph from above: an anonymous attorney's hand in a crisp white cuff placing a sealed cream business envelope marked 'DEMAND LETTER' onto a polished walnut desk, a small green 'CERTIFIED MAIL, RETURN RECEIPT REQUESTED' card clipped to the corner, warm side-light from a tall window casting soft editorial chiaroscuro.

Do You Need a Demand Letter Before Filing a Breach of Contract Lawsuit in California?

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Free 15-Minute Consultation

Tell us what you’re facing.

Most matters can be triaged in a single call — what’s at stake, what your options are, and what it would cost to solve. No retainer required to start the conversation.

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  • Flat-fee proposals on engagements where appropriate.

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Bring us the facts, the contracts, and the timeline.

We’ll bring the rest. Free initial consultation, conflicts check, and a written scope estimate within 48 hours of the call. No retainer required to talk.

By Phone+1 949-426-5071
By Emailinfo@sarilaw.us
In Person540 N Golden Cir. Dr, Santa Ana
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