Atty. David Alan Blumenthal
David Alan Blumenthal is a lawyer practicing patent counseling & prosecution, patent reexaminations, intellectual property litigation and 2 other areas of law. David Alan received a B.S. degree from College of William and Mary in 1966, and has been licensed for 52 years.
Intellectual Property Litigation & More Attorney · Serving Los Angeles, CA · 52+ Years Experience
Profile Summary
About David Alan Blumenthal at a Glance
David Alan Blumenthal is a Senior Of Counsel based in Los Angeles, California, practicing at Morrison & Foerster LLP. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on ip and m&a. Admitted to practice in Virginia (1974), District of Columbia (1979), and California registered to practice before U.S. Patent & Trademark Office (1996). Educated at George Washington University Law School (J.D., 1974) and College of William and Mary (B.S. Phi, 1966). Recognitions include AV Preeminent. Serves clients in Los Angeles, CA and the surrounding metropolitan area.
Get Legal Help from David Alan Blumenthal in Los Angeles
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About David Alan Blumenthal
- David Alan Blumenthal is a lawyer practicing patent counseling & prosecution, patent reexaminations, intellectual property litigation and 2 other areas of law
- David Alan received a B.S. degree from College of William and Mary in 1966, and has been licensed for 52 years
- David Alan practices at Morrison & Foerster LLP in Los Angeles, CA
Practice Areas Explained
David Alan Blumenthal's Areas of Legal Practice
Each practice area below reflects the types of cases David Alan Blumenthal handles, with a practical overview of what that area of law involves and how it may apply to your situation in Los Angeles.
Intellectual Property in Los Angeles
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
David Alan Blumenthal is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →
Mergers & Acquisitions in Los Angeles
David Alan Blumenthal is one of 49,430 m&a attorneys indexed nationally. Browse m&a attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in Los Angeles
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 Los Angeles 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.
Los Angeles Courts and Legal Process
Choosing a Los Angeles-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 Los Angeles or all attorneys in California.
Frequently Asked
Common Questions About David Alan Blumenthal
Where is David Alan Blumenthal's law office located?
What practice areas does David Alan Blumenthal handle?
How long has David Alan Blumenthal practiced law?
Where did David Alan Blumenthal go to law school?
How can I contact David Alan Blumenthal for a consultation?
What awards or recognition has David Alan Blumenthal received?
Professional Profile
Why Clients in Los Angeles Choose David Alan Blumenthal
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 Alan Blumenthal's practice in the field of ip and m&a.
Decade-Tested Legal Experience
David Alan Blumenthal brings 52+ 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 Virginia, District of Columbia, and California registered to practice before U.S. Patent & Trademark Office, David Alan Blumenthal can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering ip and m&a, David Alan Blumenthal can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Los Angeles
A Los Angeles-based practice means David Alan Blumenthal 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 Alan Blumenthal Handles in Los Angeles
Below is a representative sample of the types of matters David Alan Blumenthal 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 Alan Blumenthal directly to discuss the specifics of your situation.
Search Reference
How People Find David Alan Blumenthal Online
Prospective clients searching for legal help in Los Angeles 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 Alan Blumenthal.
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 Alan Blumenthal directly.
David Alan Blumenthal's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — David Alan Blumenthal
No reviews yet.