Atty. Jonathan Steinsapir
Jonathan Steinsapir’s practice focuses on complex civil litigation matters and counseling in the entertainment, music, technology, finance, real estate, and other general commercial sectors. Mr.
Intellectual Property Litigation Attorney · Serving Los Angeles, CA · 23+ Years Experience
Profile Summary
About Jonathan Steinsapir at a Glance
Jonathan Steinsapir is a Partner based in Los Angeles, California, practicing at Khiks Kinsella Holley Iser Kump Steinsapir Attorneys. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on ip. Admitted to practice in California (2003). Educated at University of California School of Law, Los Angeles (J.D. Order, 2002) and University of California at San Diego (B.A., 1998). Serves clients in Los Angeles, CA and the surrounding metropolitan area.
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About Jonathan Steinsapir
- Jonathan Steinsapir’s practice focuses on complex civil litigation matters and counseling in the entertainment, music, technology, finance, real estate, and other general commercial sectors
- Mr. Steinsapir has handled all phases of complex intellectual property disputes, including dozens of copyright, patent, and trademark cases in federal courts throughout the country
- He also has extensive experience with contract cases, including cases involving licensing and output agreements
- He has represented both employees and employers in trade secret and non-compete matters
- Mr. Steinsapir is also beginning to develop an appellate practice, successfully arguing numerous appeals in both the Ninth Circuit and the California Court of Appeal
- He has also worked on other appellate matters in the U.S
- Supreme Court, the California Supreme Court, and the U.S
- Courts of Appeals for the Second, Fifth, Ninth and Federal Circuits
- Recognized for his expertise in patent, copyright, trademark, and other intellectual property issues, Mr. Steinsapir is frequently asked to comment on pending matters of interest by mainstream media publications, entertainment industry publications, and legal publications, including The Los Angeles Times, Variety, The Hollywood Reporter, The Los Angeles Daily Journal, The San Francisco Daily Journal, and Law360
- In 2014, his first year of eligibility, Mr. Steinsapir was named by his peers as a “Super Lawyer” in Intellectual Property Litigation in Southern California Super Lawyers Magazine
- Before that, from 2009 through 2013, Mr. Steinsapir was chosen every year as a “Rising Star” in the same magazine in Intellectual Property Litigation
- Following law school, Mr. Steinsapir clerked for the late Hon. Cynthia Holcomb Hall of the U.S
- Court of Appeals for the Ninth Circuit
- He then clerked for Judge Margaret M. Morrow of the Central District of California
- From August through December 2001, Mr. Steinsapir worked in the Pentagon for the Office of the General Counsel to the Secretary of Defense
- After the September 11 attacks on the Pentagon, he traveled to Uzbekistan as the Pentagon’s only on-site legal advisor during the negotiation of an executive agreement mandating the cleanup of former Soviet biological weapons sites
- Mr. Steinsapir graduated from UCLA School of Law and was elected to the Order of the Coif
- He graduated with Honors from UCSD in 1998 with a BA in Political Science and two minors, in Economics and Middle Eastern Studies
- Mr. Steinsapir was born and raised in Santa Monica
- He was formerly the Treasurer and Chair of the Finance Committee for the Board of Trustees of Hill & Dale Family Learning Center in Santa Monica
- Prior to joining the firm at the end of 2007, Mr. Steinsapir was associated for several years with the law firm of Irell & Manella, LLP
Practice Areas Explained
Jonathan Steinsapir's Areas of Legal Practice
Each practice area below reflects the types of cases Jonathan Steinsapir 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.
Jonathan Steinsapir is one of 105,285 ip attorneys indexed nationally. Browse ip 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.
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Common Questions About Jonathan Steinsapir
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Professional Profile
Why Clients in Los Angeles Choose Jonathan Steinsapir
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 Jonathan Steinsapir's practice in the field of ip.
Decade-Tested Legal Experience
Jonathan Steinsapir brings 23+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Focused IP Practice
Concentrating on ip means Jonathan Steinsapir's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Los Angeles
A Los Angeles-based practice means Jonathan Steinsapir 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 Jonathan Steinsapir Handles in Los Angeles
Below is a representative sample of the types of matters Jonathan Steinsapir 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 Jonathan Steinsapir directly to discuss the specifics of your situation.
Search Reference
How People Find Jonathan Steinsapir Online
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Jonathan Steinsapir's Practice Areas & Specializations
Education & Law School Background
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