Atty. David Eric Kleinfeld
David Eric Kleinfeld is a lawyer practicing patent litigation, business litigation, litigation and 3 other areas of law. David received a B.A. degree from Wesleyan University in 1977, and has been licensed for 45 years.
Business Litigation & More Attorney · Serving San Diego, CA · 45+ Years Experience
Profile Summary
About David Eric Kleinfeld at a Glance
David Eric Kleinfeld is a patent, business, real estate, ip, and white collar attorney based in San Diego, California. They have 45+ years of legal experience, licensed to practice since 1981. Admitted to practice in New York (1981) and California U.S. District Court for the Central, Northern, Eastern and Southern Districts of Californ (1983). Educated at New York University School of Law (J.D., 1980) and Wesleyan University (B.A. Government, 1977). Recognitions include AV Preeminent. Serves clients in San Diego, CA and the surrounding metropolitan area.
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About David Eric Kleinfeld
- David Eric Kleinfeld is a lawyer practicing patent litigation, business litigation, litigation and 3 other areas of law
- David received a B.A. degree from Wesleyan University in 1977, and has been licensed for 45 years
- David practices in San Diego, CA
Practice Areas Explained
David Eric Kleinfeld's Areas of Legal Practice
Each practice area below reflects the types of cases David Eric Kleinfeld handles, with a practical overview of what that area of law involves and how it may apply to your situation in San Diego.
Patent Law in San Diego
David Eric Kleinfeld is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in California →
Business & Corporate Law in San Diego
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
David Eric Kleinfeld is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →
Real Estate Law in San Diego
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
David Eric Kleinfeld is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in California →
Intellectual Property in San Diego
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
David Eric Kleinfeld is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →
White Collar Crimes in San Diego
David Eric Kleinfeld is one of 19,824 white collar attorneys indexed nationally. Browse white collar attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in San Diego
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 Diego 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 Diego Courts and Legal Process
Choosing a San Diego-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 Diego or all attorneys in California.
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Professional Profile
Why Clients in San Diego Choose David Eric Kleinfeld
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 Kleinfeld's practice in the field of patent, business, real estate, ip, and white collar.
Decade-Tested Legal Experience
David Eric Kleinfeld brings 45+ 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 New York and California U.S. District Court for the Central, Northern, Eastern and Southern Districts of Californ, David Eric Kleinfeld can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering patent, business, and real estate, David Eric Kleinfeld can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in San Diego
A San Diego-based practice means David Eric Kleinfeld 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 Kleinfeld Handles in San Diego
Below is a representative sample of the types of matters David Eric Kleinfeld 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 David Eric Kleinfeld directly to discuss the specifics of your situation.
Search Reference
How People Find David Eric Kleinfeld Online
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David Eric Kleinfeld's Practice Areas & Specializations
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