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.
GREEN And Alternative Energy IP & More Attorney · Serving Irvine, CA · 35+ Years Experience
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.
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About 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
- Mark practices at McDermott Will & Emery LLP in Irvine, CA
Practice Areas Explained
Mark John Itri's Areas of Legal Practice
Each practice area below reflects the types of cases Mark John Itri handles, with a practical overview of what that area of law involves and how it may apply to your situation in Irvine.
Patent Law in Irvine
Mark John Itri is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in California →
Trademark Law in Irvine
Mark John Itri is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in California →
Intellectual Property in Irvine
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Mark John Itri is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →
Civil Litigation in Irvine
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Mark John Itri is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in California →
Health Care Law in Irvine
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
Mark John Itri is one of 66,157 health care attorneys indexed nationally. Browse health care attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in Irvine
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.
Irvine Courts and Legal Process
Choosing a Irvine-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional California attorneys? Browse all attorneys in Irvine or all attorneys in California.
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Professional Profile
Why Clients in Irvine Choose Mark John Itri
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark John Itri's practice in the field of patent, trademark, ip, litigation, and health care.
Decade-Tested Legal Experience
Mark John Itri brings 35+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering patent, trademark, and ip, Mark John Itri can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Irvine
A Irvine-based practice means Mark John Itri attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Mark John Itri Handles in Irvine
Below is a representative sample of the types of matters Mark John Itri has experience with under California law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Mark John Itri directly to discuss the specifics of your situation.
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How People Find Mark John Itri Online
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Mark John Itri's Practice Areas & Specializations
Education & Law School Background
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