Experience and Results

Verified IP Litigation Experience

Keyhani LLC's proof is grounded in litigation credentials, federal-court experience, appellate work, and attorney qualifications. The firm does not rely on rankings, superlatives, or unverified outcome claims to show fit.

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20+ yearsIP litigation experience.
80+ federal casesDarius Keyhani as lead counsel.
Federal CircuitAppellate experience for patent and IP disputes.
Core Proof

Experience That Supports IP Litigation Decisions

The strongest proof points are specific, verifiable, and relevant to active disputes: federal cases, appellate experience, admissions, attorney qualifications, and litigation-focused practice areas.

20+Years of IP litigation experience.
80+Federal cases as lead counsel for Darius Keyhani.
Federal CircuitAppellate experience tied to patent and IP litigation.
DC OfficeWashington, DC office with forum-specific appearance review.
Litigation Proof

Federal Court and Appellate Credibility

Darius Keyhani's litigation background includes 80+ federal cases as lead counsel, Federal Circuit appellate experience, and admissions that include DC, New Jersey, the Federal Circuit, the U.S. Supreme Court bar, SDNY, EDNY, WDNY, and D.N.J.

Frances Stephenson is a Keyhani LLC member and co-owner admitted in New York only. Her verified credentials include a J.D. magna cum laude from SUNY Buffalo School of Law and selection as one of six research and writing fellows.

Practice Fit

Experience Across IP Litigation Matters

The proof supports litigation matters where forum, evidence, remedies, deadlines, and appeal posture can affect business decisions.

Patent Litigation

Federal district court patent disputes, infringement and defense posture, claim construction strategy, damages issues, settlement leverage, and Federal Circuit appeals.

Attorney Profiles

Connect Proof to the Lawyers

Review the attorney profiles for role, admissions, focus areas, and individual contact details.

Darius Keyhani

Founder and Lead Counsel for Keyhani LLC. Review his profile for federal IP litigation, Federal Circuit, patent litigation, trade secret, and related commercial litigation credentials.

View Darius Keyhani

Frances Stephenson

Member and co-owner admitted in New York only. Review her profile for trademark, copyright, trade secret, NDA, and related IP litigation work connected to her verified admission.

View Frances Stephenson

Discuss an IP Litigation Matter

If the proof points match the dispute, contact Keyhani LLC to discuss the litigation posture, forum, evidence, deadlines, and next step.

Contact (202) 748-8950 Schedule a Case Evaluation