Atty. John D. Maher
John D. Maher is an associate in Lieff Cabraser’s San Francisco office with a practice focused on digital privacy and consumer protection.
Environmental Law & More Attorney · Serving San Francisco, CA · 9+ Years Experience
Profile Summary
About John D. Maher at a Glance
John D. Maher is an Associate based in San Francisco, California, practicing at Lieff Cabraser Heimann And Bernstein Llp. They have 9+ years of legal experience, licensed to practice since 2017. Their practice focuses on litigation and environmental. Admitted to practice in California (2017), U.S. District Court, Central District of California (2019), U.S. District Court, Eastern District of California (2019), and U.S. District Court, Northern District of California (2021). Educated at University of California, Berkeley School of Law – Berkeley, CA (J.D. Order, 2016) and Oxford University – Oxfordshire, UK (B.A. History, 2009). Active member of Professional Associations •American Association for Justice •American Bar Association •Bar Association of San Francisco •California Lawyers Association •State Bar of California. Serves clients in San Francisco, CA and the surrounding metropolitan area.
Get Legal Help from John D. Maher 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 John D. Maher
- John D. Maher is an associate in Lieff Cabraser’s San Francisco office with a practice focused on digital privacy and consumer protection
- John’s work encompasses digital privacy litigation in the United States and European Union against Google, Meta, Oracle, and others, including In re: Google Location History Litigation on behalf of users whose locations were unlawfully tracked by Google, a suit against Oracle based on the company’s intrusive consumer profiles which yielded a $115 million settlement, and ongoing litigation against Meta based on its “Pixel” surveilling visitors to the California Department of Motor Vehicles website
- Prior to joining Lieff Cabraser, John clerked for Judge Lucy H. Koh at the Northern District of California, and Chief Judge Diane P. Wood at the Seventh Circuit
- He is a San Francisco native and Berkeley Law graduate, where he was a member of the Order of the Coif and Editor-in-Chief of Ecology Law Quarterly
- John lives in San Francisco with his wife and daughters
Practice Areas Explained
John D. Maher's Areas of Legal Practice
Each practice area below reflects the types of cases John D. Maher handles, with a practical overview of what that area of law involves and how it may apply to your situation in San Francisco.
Civil Litigation in San Francisco
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John D. Maher is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in California →
Environmental Law in San Francisco
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
John D. Maher is one of 55,977 environmental attorneys indexed nationally. Browse environmental 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 John D. Maher
Where is John D. Maher's law office located?
What practice areas does John D. Maher handle?
How long has John D. Maher practiced law?
Where did John D. Maher go to law school?
How can I contact John D. Maher for a consultation?
Professional Profile
Why Clients in San Francisco Choose John D. Maher
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 John D. Maher's practice in the field of litigation and environmental.
9+ Years of Legal Practice
With 9 years in the profession, John D. Maher has developed the procedural fluency and courtroom instincts that come from handling real cases under real deadlines.
Multi-State Bar Admission
Licensed in California, U.S. District Court, Central District of California, and U.S. District Court, Eastern District of California, John D. Maher can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering litigation and environmental, John D. Maher 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 John D. Maher attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Search Reference
How People Find John D. Maher 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 John D. Maher.
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 John D. Maher directly.
John D. Maher's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — John D. Maher
No reviews yet.