Atty. Mark John Itri

Atty. Mark John Itri

Mark John Itri is a lawyer practicing patent application, green and alternative energy - ip, intellectual property and 7 other areas of law. Mark received a B.S.E.E. degree from Boston University in 1985, and has been licensed for 35 years.

Irvine Irvine 35 Years Experience 35 year
Call (951) 584-2685

Profile Summary

About Mark John Itri at a glance

Mark John Itri is a Partner based in Irvine, California, practicing at McDermott Will & Emery LLP. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on patent, trademark, ip, litigation, and health care. Admitted to practice in California U.S. Court of Appeals, Federal Circuit registered to practice before U.S. Patent and Trad (1991). Educated at Suffolk University Law School (J.D., 1990) and Boston University (B.S.E.E., 1985). Active member of Orange County and American Bar Associations Orange County Patent Law Association American and Los Angeles Intellectual Property Law Associations Licensing Executive Society. Serves clients in Irvine, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark John Itri is a lawyer practicing patent application, green and alternative energy - ip, intellectual property and 7 other areas of law
  • Mark received a B.S.E.E. degree from Boston University in 1985, and has been licensed for 35 years
  • Mark practices at McDermott Will & Emery LLP in Irvine, CA

Practice Areas Explained

Mark John Itri's Areas of Practice

Each practice area below reflects the types of cases Mark John Itri handles, with a brief overview of what that area of law covers.

Patent Law

Mark John Itri is one of 18,874 patent attorneys indexed nationally. Browse patent attorneys in California →

Trademark Law

Mark John Itri is one of 20,983 trademark attorneys indexed nationally. Browse trademark attorneys in California →

Intellectual Property

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

Mark John Itri is one of 94,505 ip attorneys indexed nationally. Browse ip attorneys in California →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark John Itri is one of 409,070 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Mark John Itri is one of 59,895 health care attorneys indexed nationally. Browse health care attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Irvine or all attorneys in California.

Frequently Asked

Common questions about Mark John Itri

Where is Mark John Itri's law office located?
Mark John Itri's law practice is located in Irvine, California. The firm is McDermott Will & Emery LLP. You can contact the office directly through this profile page.
What practice areas does Mark John Itri handle?
Mark John Itri focuses on patent, trademark, ip, litigation, health care. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark John Itri practiced law?
Mark John Itri has 35+ years of legal experience and has been licensed since 1991.
Where did Mark John Itri go to law school?
Mark John Itri earned their education at (J.D., 1990); (B.S.E.E., 1985).
How can I contact Mark John Itri for a consultation?
You can contact Mark John Itri 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.

Education

J.D.
Suffolk University Law School
- 1990
B.S.E.E.
Boston University
- 1985

Bar Admissions

California U.S. Court of Appeals, Federal Circuit registered to practice before U.S. Patent and Trad
Admitted: 1991

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