Atty. Brian I Marcus

Atty. Brian I Marcus

Brian I Marcus is a lawyer practicing intellectual property, patents, trademark law and 5 other areas of law. Brian received a B.S.M.E. degree from Tufts University in 1985, and has been licensed for 37 years.

San Francisco San Francisco 37 yrs experience 37 year
Call (949) 792-4697 Book Appointment

Intellectual Property & More Attorney · Serving San Francisco, CA · 37+ Years Experience

Profile Summary

About Brian I Marcus at a Glance

Brian I Marcus is a Member based in San Francisco, California, practicing at Vierra Magen Marcus Harmon And Deniro Llp. They have 37+ years of legal experience, licensed to practice since 1989. Their practice focuses on patent, trademark, copyright, real estate, and ip. Admitted to practice in Connecticut registered to practice before the U.S. Patent and Trademark Office (1989), New York (1990), U.S. District Court, Northern District of California and U.S. Court of Appeals, Federal and Ninth Ci (1992), and California (1993). Educated at Fordham University (J.D., 1989) and Tufts University (B.S.M.E., 1985). Active member of San Francisco Bar Association State Bar of California (Member, Intellectual Property Section) San Francisco Intellectual Property Law Association American Intellectual Property Law Association. Serves clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Brian I Marcus

  • Brian I Marcus is a lawyer practicing intellectual property, patents, trademark law and 5 other areas of law
  • Brian received a B.S.M.E. degree from Tufts University in 1985, and has been licensed for 37 years
  • Brian practices at Vierra Magen Marcus Harmon & DeNiro LLP in San Francisco, CA

Practice Areas Explained

Brian I Marcus's Areas of Legal Practice

Each practice area below reflects the types of cases Brian I Marcus handles, with a practical overview of what that area of law involves and how it may apply to your situation in San Francisco.

Patent Law in San Francisco

Brian I Marcus is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in California →

Trademark Law in San Francisco

Brian I Marcus is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in California →

Copyright Law in San Francisco

Brian I Marcus is one of 17,404 copyright attorneys indexed nationally. Browse copyright attorneys in California →

Real Estate Law in San Francisco

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Brian I Marcus is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Intellectual Property in San Francisco

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

Brian I Marcus is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in San Francisco

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 San Francisco 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.

San Francisco Courts and Legal Process

Choosing a San Francisco-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 San Francisco or all attorneys in California.

Frequently Asked

Common Questions About Brian I Marcus

Where is Brian I Marcus's law office located?
Brian I Marcus's law practice is located in San Francisco, California. The firm is Vierra Magen Marcus Harmon And Deniro Llp. You can contact the office directly through this profile page.
What practice areas does Brian I Marcus handle?
Brian I Marcus focuses on patent, trademark, copyright, real estate, ip. Each practice area listed reflects experience handling cases of that type in California.
How long has Brian I Marcus practiced law?
Brian I Marcus has 37+ years of legal experience and has been licensed since 1989.
Where did Brian I Marcus go to law school?
Brian I Marcus earned their education at (J.D., 1989); (B.S.M.E., 1985).
How can I contact Brian I Marcus for a consultation?
You can contact Brian I Marcus 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.

Professional Profile

Why Clients in San Francisco Choose Brian I Marcus

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 Brian I Marcus's practice in the field of patent, trademark, copyright, real estate, and ip.

Decade-Tested Legal Experience

Brian I Marcus brings 37+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Connecticut registered to practice before the U.S. Patent and Trademark Office, New York, and U.S. District Court, Northern District of California and U.S. Court of Appeals, Federal and Ninth Ci, Brian I Marcus can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering patent, trademark, and copyright, Brian I Marcus can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in San Francisco

A San Francisco-based practice means Brian I Marcus 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 Brian I Marcus Handles in San Francisco

Below is a representative sample of the types of matters Brian I Marcus 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.

Residential property transactions
Real Estate
Commercial lease disputes
Real Estate
Title and deed issues
Real Estate
Landlord-tenant conflicts
Real Estate
Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact Brian I Marcus directly to discuss the specifics of your situation.

Search Reference

How People Find Brian I Marcus Online

Prospective clients searching for legal help in San Francisco commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Brian I Marcus.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Brian I Marcus directly.

Education & Law School Background

J.D.
Fordham University
- 1989
B.S.M.E.
Tufts University
- 1985

Bar Admissions & Licensed Jurisdictions

Connecticut registered to practice before the U.S. Patent and Trademark Office
Admitted: 1989
New York
Admitted: 1990
U.S. District Court, Northern District of California and U.S. Court of Appeals, Federal and Ninth Ci
Admitted: 1992
California
Admitted: 1993

Client Reviews & Ratings — Brian I Marcus

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