South Gate Intellectual Property Lawyers

Ethan D. Kirschner is an experienced litigator with clients in California, throughout the United States, and overseas. Originally from Wisconsin, Mr. Kirschner was a champion high school and college debater. He has a B.A. in Political Science from the University of Michigan, graduated cum laude from the University of Minnesota Law School, and received an LL.M. in intellectual property law from the University of California, Berkeley.


Mr. Kirschner has been practicing law since 2005. He is licensed to practice law in California.

David N. Sharifi is an entertainment technology attorney based in Los Angeles and a recognized expert in new media law, competitive barrier strategy, intellectual property exploitation, social media law, trademark protection online and related legal and business affairs. David is also an entrepreneur and frequently attends and speaks at top technology conferences in Los Angeles and nationwide. David applies a blend of intellectual property law, market analysis, and contract negotiation to advise clients in deal making, development, and marketing, with a focus on web, mobile and social platforms. In 2014 David was recognized as top 30 most influential attorneys...

Digital business lawyer, founder and managing attorney of The Internet Law Group, a preeminent law firm dedicated offering comprehensive legal services to clients with e-commerce and other internet-related legal needs. 

Allan is an Attorney and CPA whose practice focuses on legal and business management services for passionate clients in the entertainment/media and fashion/apparel industries. His unique background allows him to service clients with all aspects of transactional entertainment matters, copyright and trademark matters, licensing, and financial and tax consulting. Allan serves as counsel to musicians, records producers, managers, record labels, music publishers, actors, film and photography production companies, designers and apparel companies. His past professional experience includes EMI Music, Woods & Middleton, LLP, Deloitte (tax, licensing, royalty audits), and Tommy Hilfiger. He also has experience...

David A. Sergenian is the founder of Sergenian Law, a Professional Corporation. His practice concentrates in the areas of copyright, trademarks, trade secrets, partnership and startup disputes, appellate practice, and general commercial litigation. In addition, he has extensive experience in patent law, securities litigation, entertainment litigation, and employment actions. He has represented clients on “both sides of the v.,” including numerous Fortune 500 companies, in litigations, trials, arbitrations, and alternative dispute resolutions.

I am a native of Kansas City. I received my B.A. from Hamilton College in Clinton, NY, a Ph.D. in cellular biology from the University of Kansas in Lawrence, KS and a J.D. from the University of Southern California in Los Angeles, CA. I represent businesses and individuals in transactions, including purchase and sale of real estate, commercial, retail and industrial leasing, and commercial, retail and industrial financing. I am a frequent speaker in real estate leasing and real estate financing. I also serve as a board member for IRBCo, an independent review board for medical...

Kashfian & Kashfian LLP is a multi-specialty full service law firm providing tailored litigation services and counseling to: individuals, public sector & governmental entities, non-profit organizations and small to large corporations in Appellate Matters, Intellectual Property (Patent, Trademark & Copyright), Business & Corporate, Real Estate and Entertainment & Media.

I am a solo practitioner primarily serving businesses with 1 - 10 million in annual sales and 5 - 20 employees. My lead services are business transactions/contracts, patents (chemical, biotech and mechanical,) trademark registrations and litigation. The industries that I serve include aerospace components, medical devices and consumer products retailing for less than $150.00. To make an appointment, call 310-670-5825 (LA County) and 760-347-3470 (Riverside County.)

Michael Machat is one of the few private attorneys that has taken a case to the U.S. Supreme Court and won. His practice covers all aspects of trademark law from the selection and filing of trademarks to fighting all the way to the U.S. Supreme Court to protect his clients' rights.

Mr. Machat represents various types of clients, including start ups, artists, entrepreneurs, wealthy businessmen and even other lawyers. In addition to working on transactional matters, he has tried numerous jury trial cases to verdict, most recently winning over $700,000 representing a client suing for trademark infringement. ...

An experienced attorney specializing in criminal law, intellectual property law, regulatory compliance, corporate governance, and litigation. Admitted in China (2010) and California (2019). Strong science and technology background. HIGHLIGHTS: • Extensive litigation experience in U.S. courts and Chinese courts. • Excellent at negotiating and communicating with lawyers, government agencies, and clients from different countries. • Former government lawyer in a major Chinese business regulatory agency. • Science background and IP law practice experience.

John A. Case, Jr. is a Los Angeles business lawyer and an active member of the State Bar of California since 1986. He is a graduate of Columbia University, Stanford Law School, and the Anderson Graduate School of Management at UCLA. After practicing with major law firms such as O'Melveny & Myers and Skadden, Arps, Slate, Meagher & Flom, he opened his own law office in 1996. He has guided clients through all kinds of business problems and disputes for more than 30 years.

Attorney at Los Angeles Patent Group, LLP which is a patent and Trademark law firm providing application drafting, prosecution, licensing, and other Intellectual Property services.

I am a 25 year veteran attorney specializing in representing music, film and television entertainment industry clients in a variety of intellectual property and complex business related disputes and transactions.

QUINTERO LAW OFFICE, OC focuses on intellectual property, principally patent and trademark prosecution before the United States Patent & Trademark Office. The firm also provides intellectual property services in connection with portfolio management, due diligence, legal opinions, licensing, strategic counselling, and litigation support.
Our client-focused practice emphasizes providing quality and personalized service in an efficient and cost-effective manner. We are committed to helping our clients intelligently navigate the patent and trademark systems to maximize the value of their intellectual property.
Schedule your initial consultation with QUINTERO LAW OFFICE, PC today — 310-909-8535. We look forward to learning how we can help.

I am a solo practitioner primarily serving businesses with 1 - 10 million in annual sales and 5 - 20 employees. My lead services are business transactions/contracts, patents (chemical, biotech and mechanical,) trademark registrations and litigation. The industries that I serve include aerospace components, medical devices and consumer products retailing for less than $150.00. To make an appointment, call 310-670-5825 (LA County) and 760-347-3470 (Riverside County.)

Brian Hurwitz is ONE of just a few Criminal Defense Attorneys in Los Angeles with such a high success rate. His Success rate is the result of 3 key things:

1. He Handles ALL cases personally. You will NOT be handed off to a less experienced Junior Attorney Like with most other Law Firms.

2. Unlike Ex District Attorneys that spend most of their careers in only 1 Courtroom, therefore, developing relationships with only 1 Judge and Prosecutor, Brian has spent EVERY day in courts (2 courts in a day sometimes!) ALL over Los Angeles developing strong relationships with ALL the...

We are dedicated to providing quality legal services at reasonable rates. Our attorneys are experienced, business-oriented and responsive to client needs. We have experience in licensing and other technology transactions, intellectual property counseling, product distribution and marketing, contracts, corporate organization and governance, mergers and acquisitions, financings, employment, real estate, entertainment law and general business and corporate matters.

Gerald Sauer has over 35 years of extensive jury trial experience and has handled numerous matters in alternative dispute resolution forums including arbitration and mediation. He has briefed and argued in both federal and state courts, as well as participated in oral argument before the California Supreme Court. He utilizes a pragmatic approach in helping employees assess their claims and finding the most desirable path to a resolution.