Atty. David Eric Cromer

Atty. David Eric Cromer

David Eric Cromer is a lawyer practicing intellectual property, patent prosecution, patent litigation and 6 other areas of law. David received a B.S. degree from Clemson University in 1998, and has been licensed for 24 years.

San Francisco San Francisco 24 yrs experience 24 year
Call (949) 792-4697 Book Appointment

Intellectual Property & More Attorney · Serving San Francisco, CA · 24+ Years Experience

Profile Summary

About David Eric Cromer at a Glance

David Eric Cromer is a Member based in San Francisco, California, practicing at Vierra Magen Marcus Harmon And Deniro Llp. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on patent, trademark, copyright, real estate, and ip. Admitted to practice in California (2002), U.S. District Court, Northern District of California (2002), and U.S. District Court, Eastern District of California U.S. Court of Appeals, Ninth Circuit registered (2003). Educated at Tulane University (J.D., 2002) and Clemson University (B.S. Electrical, 1998). Active member of State Bar of California (Member, Intellectual Property Section) Bar Association of San Francisco American Bar Association Silicon Valley Intellectual Property Association. Serves clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About David Eric Cromer

  • David Eric Cromer is a lawyer practicing intellectual property, patent prosecution, patent litigation and 6 other areas of law
  • David received a B.S. degree from Clemson University in 1998, and has been licensed for 24 years
  • David practices at Vierra Magen Marcus Harmon & DeNiro LLP in San Francisco, CA

Practice Areas Explained

David Eric Cromer's Areas of Legal Practice

Each practice area below reflects the types of cases David Eric Cromer 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

David Eric Cromer is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in California →

Trademark Law in San Francisco

David Eric Cromer is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in California →

Copyright Law in San Francisco

David Eric Cromer 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.

David Eric Cromer 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.

David Eric Cromer 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 David Eric Cromer

Where is David Eric Cromer's law office located?
David Eric Cromer'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 David Eric Cromer handle?
David Eric Cromer focuses on patent, trademark, copyright, real estate, ip. Each practice area listed reflects experience handling cases of that type in California.
How long has David Eric Cromer practiced law?
David Eric Cromer has 24+ years of legal experience and has been licensed since 2002.
Where did David Eric Cromer go to law school?
David Eric Cromer earned their education at (J.D., 2002); (B.S. Electrical, 1998).
How can I contact David Eric Cromer for a consultation?
You can contact David Eric Cromer 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 David Eric Cromer

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 David Eric Cromer's practice in the field of patent, trademark, copyright, real estate, and ip.

Decade-Tested Legal Experience

David Eric Cromer brings 24+ 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 California, U.S. District Court, Northern District of California, and U.S. District Court, Eastern District of California U.S. Court of Appeals, Ninth Circuit registered , David Eric Cromer can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering patent, trademark, and copyright, David Eric Cromer 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 David Eric Cromer 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 David Eric Cromer Handles in San Francisco

Below is a representative sample of the types of matters David Eric Cromer 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 David Eric Cromer directly to discuss the specifics of your situation.

Search Reference

How People Find David Eric Cromer 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 David Eric Cromer.

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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 David Eric Cromer directly.

Education & Law School Background

J.D.
Tulane University
- 2002
B.S. Electrical
Clemson University
- 1998

Bar Admissions & Licensed Jurisdictions

California
Admitted: 2002
U.S. District Court, Northern District of California
Admitted: 2002
U.S. District Court, Eastern District of California U.S. Court of Appeals, Ninth Circuit registered
Admitted: 2003

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