Atty. Mark Patrick Weitzel
Mark Patrick Weitzel is a lawyer practicing energy & infrastructure, renewable energy, mergers and acquisitions and 6 other areas of law. Mark received a A.B. degree from Stanford University in 1976, and has been licensed for 46 years.
Energy & Infrastructure & More Attorney · Serving San Francisco, CA · 46+ Years Experience
Profile Summary
About Mark Patrick Weitzel at a Glance
Mark Patrick Weitzel is a Partner based in San Francisco, California, practicing at Orrick, Herrington & Sutcliffe LLP. They have 46+ years of legal experience, licensed to practice since 1980. Their practice focuses on business, tax, m&a, energy, and international. Admitted to practice in California U.S. Tax Court (1980). Educated at University of California at Los Angeles School of Law (JD, 1980) and Stanford University (A.B., 1976). Recognitions include AV Preeminent. Serves clients in San Francisco, CA and the surrounding metropolitan area.
Get Legal Help from Mark Patrick Weitzel in San Francisco
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 Mark Patrick Weitzel
- Mark Patrick Weitzel is a lawyer practicing energy & infrastructure, renewable energy, mergers and acquisitions and 6 other areas of law
- Mark received a A.B. degree from Stanford University in 1976, and has been licensed for 46 years
- Mark practices at Orrick, Herrington & Sutcliffe LLP in San Francisco, CA
Practice Areas Explained
Mark Patrick Weitzel's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Patrick Weitzel handles, with a practical overview of what that area of law involves and how it may apply to your situation in San Francisco.
Business & Corporate Law in San Francisco
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Mark Patrick Weitzel is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →
Tax Law in San Francisco
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Mark Patrick Weitzel is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in California →
Mergers & Acquisitions in San Francisco
Mark Patrick Weitzel is one of 49,430 m&a attorneys indexed nationally. Browse m&a attorneys in California →
Energy & Utilities Law in San Francisco
Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.
Mark Patrick Weitzel is one of 35,985 energy attorneys indexed nationally. Browse energy attorneys in California →
International Law in San Francisco
International law attorneys for cross-border transactions, trade, foreign investment, and treaties.
Mark Patrick Weitzel is one of 39,787 international attorneys indexed nationally. Browse international 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 Mark Patrick Weitzel
Where is Mark Patrick Weitzel's law office located?
What practice areas does Mark Patrick Weitzel handle?
How long has Mark Patrick Weitzel practiced law?
Where did Mark Patrick Weitzel go to law school?
How can I contact Mark Patrick Weitzel for a consultation?
What awards or recognition has Mark Patrick Weitzel received?
Professional Profile
Why Clients in San Francisco Choose Mark Patrick Weitzel
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 Patrick Weitzel's practice in the field of business, tax, m&a, energy, and international.
Decade-Tested Legal Experience
Mark Patrick Weitzel brings 46+ 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 business, tax, and m&a, Mark Patrick Weitzel 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 Mark Patrick Weitzel 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 Patrick Weitzel Handles in San Francisco
Below is a representative sample of the types of matters Mark Patrick Weitzel 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 Patrick Weitzel directly to discuss the specifics of your situation.
Search Reference
How People Find Mark Patrick Weitzel 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 Mark Patrick Weitzel.
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 Mark Patrick Weitzel directly.
Mark Patrick Weitzel's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — Mark Patrick Weitzel
No reviews yet.