Atty. Sydney M. Leach

Atty. Sydney M. Leach

Mr. Sydney M.

Phoenix Phoenix 47 yrs experience 47 year
Call (623) 292-8379 Book Appointment

Profile Summary

About Sydney M. Leach at a glance

Sydney M. Leach is a patent, trademark, business, ip, and trade secrets attorney based in Phoenix, Arizona. They have 47+ years of legal experience, licensed to practice since 1979. Admitted to practice in Texas United States Patent and Trademark Office (1979), Supreme Court of Texas United States Court of Appeals, Eighth Circuit United States Court of Appeals (1979), Arizona (1999), and Supreme Court of Arizona (1999). Educated at University of Virginia (J.D., 1978) and University of Alabama B.S.E.E. Pi Mu Epsilon University of Alabama B.S.E.E. Omicron Delta Kappa University of Alabama B.S.E.E. 1975 Tau Beta Pi University of Alabama B.S.E.E. Eta Kappa Nu Uni (—). Recognitions include AV Preeminent. Active member of 2010-2015) •Litigation Counsel of America, fellow •Arizona Astronomy Board, Chairman of the Board •National Sharing the Sky Foundation, Chairman of the Board (2006-2017) •University of Alabama President's Cabinet •University of Arizona President's Club •T, Professional Memberships and Activities •Federal Bar Association, Phoenix Chapter, Board of Directors. Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Sydney M. Leach is a lawyer practicing commercial litigation, gaming, intellectual property and 6 other areas of law
  • Sydney received a B.S.E.E. degree from University of Alabama, and has been licensed for 47 years
  • Sydney practices in Phoenix, AZ

Practice Areas Explained

Sydney M. Leach's Areas of Practice

Each practice area below reflects the types of cases Sydney M. Leach handles, with a brief overview of what that area of law covers.

Patent Law

Sydney M. Leach is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Arizona →

Trademark Law

Sydney M. Leach is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Arizona →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Sydney M. Leach is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Arizona →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Sydney M. Leach is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Arizona →

Trade Secrets

Sydney M. Leach is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Arizona →

Jurisdictional Context

Why local counsel matters in Arizona

Practicing law in Arizona. Legal matters in Arizona are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Phoenix are typically filed in the local municipal court or the appropriate Arizona state district court, depending on subject matter and amount in controversy. An attorney licensed in Arizona brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Arizona courts without local counsel or pro hac vice admission.

Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.

Frequently Asked

Common questions about Sydney M. Leach

Where is Sydney M. Leach's law office located?
Sydney M. Leach's law practice is located in Phoenix, Arizona. You can contact the office directly through this profile page.
What practice areas does Sydney M. Leach handle?
Sydney M. Leach focuses on patent, trademark, business, ip, trade secrets. Each practice area listed reflects experience handling cases of that type in Arizona.
How long has Sydney M. Leach practiced law?
Sydney M. Leach has 47+ years of legal experience and has been licensed since 1979.
Where did Sydney M. Leach go to law school?
Sydney M. Leach earned their education at (J.D., 1978); (—).
How can I contact Sydney M. Leach for a consultation?
You can contact Sydney M. Leach directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Sydney M. Leach received?
Sydney M. Leach's notable recognition includes: AV Preeminent.

Education

J.D.
University of Virginia
- 1978
University of Alabama B.S.E.E. Pi Mu Epsilon University of Alabama B.S.E.E. Omicron Delta Kappa University of Alabama B.S.E.E. 1975 Tau Beta Pi University of Alabama B.S.E.E. Eta Kappa Nu Uni
- In Progress

Awards

AV Preeminent

Bar Admissions

Texas United States Patent and Trademark Office
Admitted: 1979
Supreme Court of Texas United States Court of Appeals, Eighth Circuit United States Court of Appeals
Admitted: 1979
Arizona
Admitted: 1999
Supreme Court of Arizona
Admitted: 1999

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