Portola Intellectual Property Lawyers

Our practice is focused on advising and representing startups, small business owners, and privately held corporations. Our services encompass business formation, corporate and LLC compliance, contract writing, reviewing, and negotiating, as well as trademark registration and maintenance. We pride ourselves in helping clients protect their business interests through personalized legal counsel and representation.

Joe Trojan is a registered Patent Attorney and Trial Lawyer in Los Angeles with more than 32 years experience obtaining and enforcing patents and trademarks throughout the world for his clients worldwide. Holding degrees in Biological Sciences as well as in Law, Mr. Trojan’s practice has a particular focus in the life science technologies including biotechnology, medical devices, organic chemistry, pharmaceuticals and more. He also has represented clients in various industries: mechanical, chemical, manufacturing, retail, apparel, retail, commerce, and software. He drafts and negotiates licensing agreement. As an accomplished trial lawyer, Mr. Trojan has extensive experience litigating patents, trademarks,...

Sonya L. Sigler is the founder of PractiGal LLC and is the creator of the WELCOME to the Next Level Process. She created this WELCOME Process to effectively sell herself when she needed to figure out a clear path forward professionally and personally. Having learned to do this work the hard way, Sonya now builds powerful storytellers who can then refine and polish their personal brand. This work empowers others to align their work and life visions and to approach both with a renewed vigor.
For the last twenty years, Sonya has worked with founders, team leaders, and their employees...

Recent Accolades:
Featured in the Los Angeles Business Journal, Most Influential Lawyers of 2014.
Named as one of the 2015 Trusted Advisors for the San Fernando Valley Business Journal.
Awarded as 2016 Top Attorneys of Southern California by Los Angeles Magazine.
Awarded 2016 Global Law Experts Award for Business Start-Up IP Law Firm in California.
Named 2016 Intellectual Property Practitioner of the Year by Acquisition International.
Named 2017 America’s Most Honored Professional by The American Registry.
Awarded multiple years of Super Lawyer recognition.
Named 2019 Best Law Firms by Best Lawyers of U.S. News and World Report.
Named 2019 Business Start-Up IP Law Firm of the Year in California...

Vincent Tong is an award winning, community oriented lawyer. He is the founder of TONG LAW, an employment business law firm located in beautiful downtown Oakland, California. Vincent exclusively represents employees in employment litigation and businesses in business-to-business disputes. In his business transactions practice, Vincent counsels individuals on forming and growing their social ventures. Connect with Vincent online at www.tong-law.com.

Scott has represented clients in copyright, trademark, technology and related legal matters throughout the United States and Canada. Scott worked for nearly 30 years in Seattle, and is a founding member of Yarmuth Wilsdon PLLC, where he continues to practice today. Scott’s clients include multinational corporations, incumbent technology companies and startups, and authors, artists and musicians. More about his legal practice can be found at www.yarmuth.com/wilsdon.

Scott and his wife, Michelle, grew up on the Monterey Peninsula and returned in 2017. Since his return, Scott has helped local businesses, entrepreneurs and artists in business and litigation matters. Scott brings to his...

Andrew is a senior counsel in the Oakland/East Bay office of Ericksen Arbuthnot and co-chair of the firm's Appellate Practice Group. He is AV® Peer Review Rated by Martindale-Hubbell and has been selected as a Northern California Super Lawyers Rising Star by Thomson Reuters. Andrew has extensive litigation experience representing individual and institutional clients in state and federal court. His areas of practice include insurance coverage and defense, intellectual property, personal injury, professional liability, real estate, and other commercial issues.

Andrew has B.A. degrees in Cognitive Science and History, and a minor in Philosophy, from the...

Brian P. Kinder is managing partner of The Kinder Law Group, APC. He practices exclusively in the field of Intellectual Property ("IP") and is one of only a handful of Southern California attorneys who have been honored as Super Lawyers®, Rising Stars in this area of the law. For more than a decade, he has helped his clients to develop and protect their valuable IP rights throughout the world and is well-versed in both domestic and international patent, trademark, copyright, trade secret, false advertising and franchise laws.

On the development side of his practice (i.e., transactional work), Mr....

Sonya Tien leads her law firm's litigation, corporate, personal injury, and intellectual property practices. She received her law degree from Columbia University and was recognized as a Harlan Fiske Stone Scholar. Sonya received her business degree from the University of North Carolina at Chapel Hill, Kenan Flagler Business School, where she earned 17 scholarships. Sonya was named a Rising Star by Super Lawyers since 2020, Top 40 Under 40 Civil Plaintiffs' Lawyers, and Top 100 Civil Trial Lawyers by The National Trial Lawyers. Her articles have been published by the Wall Street Lawyer and Practising Law Institute. She has presented on the...

Amanda Rokita is an Attorney and founder of Rokita Law P.C, a boutique law firm focused on utilizing our wealth of legal experience to deliver solution based resolutions to individuals and small businesses throughout CA. Amanda has a proven track record, having represented small businesses through trial and regularly represents clients with multi-million dollar amounts in controversy. Amanda has garnered several awards, including the 2022 and 2023 SuperLawyers Recipient, which is awarded to the top 2.5% lawyers in CA and the 2022 and 2023 SuperLawyers Rising Star Recipient, which is awarded to top lawyers under 40. As an entrepreneur, Amanda...

Ruth Ryan-Cruz is an attorney in San Diego, California with Ryan-Cruz Law, APC. Attorney Ruth Ryan-Cruz practices in the areas of business and corporate law, intellectual property, estate planning, wills, trusts, copyrights, trademarks and more. Contact San Diego Attorney Ruth Ryan-Cruz for a consultation. Ruth is a fluent Spanish-speaking attorney providing counseling and transactional services in Spanish in the areas listed above. Ruth earned her Juris Doctor Degree from California Western School of Law and received a Bachelors of Science degree in Business Administration with an emphasis in High Tech Management from California State...

Mr. Martinez represents a wide range of U.S. and international clients in all forms of dispute resolution and business counseling, with emphasis in the areas of commercial, intellectual property, unfair competition, shareholder and class action litigation, arbitration and mediation. His clients range from individuals to start-ups to Fortune 100 companies in the real estate, retail, fashion, transportation, financial, entertainment, manufacturing and technology industries, and often include Latin-American and other foreign clients interested in developing a presence in the United States. Mr. Martinez has won a reputation for his fierce commitment to his clients’ interests and to valued legal causes. This commitment...

Attorney Stoker is the principal attorney of Stoker Law Firm. He is the second youngest out of five children with three brothers and a sister which led him to thrive on competition. His mother often reminds him of when he was in elementary school telling her he wanted to be a lawyer.

While attending Suffolk, Attorney Stoker served as a fellow in the Marshall-Brennan Constitutional Literacy Project, studied international law at Lund University in Sweden, and earned a concentration in Business Law and Financial Services.

Attorney Stoker's legal career began with an internship his senior year at Merrimack with Gomez & Palumbo,...

Representing successful businesses and families in the entertainment, real estate, technology, and healthcare industries.

Spiller Law is a business, estate planning and entertainment law firm located in San Francisco, California. Business: We serve small to medium-sized businesses in the areas of contracts, business planning, mergers and acquisitions, partnership agreements, corporate formation and dispute resolution. We have advised businesses in involved in aviation, finance, health care, insurance, manufacturing, real estate, music, film, and television. Estate Planning: We work with individuals and couples to create simple to sophisticated estate plans, depending on their needs. Entertainment Law: We advise film/TV, new media, and music clients as to business planning, business formation, contract negotiation, and licensing

Scott is a cum laude graduate of Harvard Law School and former Assistant United States Attorney.

At Lesowitz Gebelin LLP, Scott handles copyright and trademark infringement cases, trade secrets litigation, defamation, internet law, and general civil litigation matters. Scott represents both plaintiffs and defendants.

Scott is a Super Lawyers Rising Star. Avvo.com ranks Scott as a 10 out of 10. The LA Business Journal recognized Scott as one of Los Angeles County’s top 25 white collar and cyber crimes attorneys.

Scott is licensed to practice law in both California and New York.

Donn K. Harms is a Registered Patent Attorney also handling business and corporate law matters since 1988, with heavy emphasis on trademarks, copyrights, patents, and licensing matters. Mr. Harms has served as an Adjunct Professor for Patent Law and Trademark Law at the University of California at San Diego. Mr. Harms has served as a Professor of Patent Law and Trademark Law at the University of California at San Diego, and has offices in Bend, Oregon, and in Del Mar, California. Prior to practicing law, Mr. Harms owned and operated a small business with 50 employees for over 15 years....

After spending years at well-known firms in both New York and California, Mr. Dorros decided it was time for something different. He founded Dorros Law with the goal of providing the more personalized services. A substantial portion of Mr. Dorros’ practice focuses on the protection of individuals’ privacy rights with a particular emphasis on protected health information, HIPAA law and medical record privacy issues. Mr. Dorros has successfully represented clients both on an individual and class action basis in State and Federal Court nationwide in significant and groundbreaking cases related to protected health information and medical record privacy and confidentiality...

Tina has dissolved Gehres Law Group to focus on building a NFP organization, YesHope.org. She is no longer taking clients. Thank you for your patronage.

Gerald A. Klein has tried more than 40 cases to verdict. His success in the courtroom is underscored by the numerous accolades and recognitions he has achieved throughout his career, including selection by his peers as "Trial Lawyer of the Year" by the Orange County Trial Lawyers Association in 2003 and again in 2009.
Mr. Klein represents both plaintiffs and defendants in business litigation, legal malpractice, real estate, trade secrets, unfair competition, and insurance bad faith. He has also served as an expert witness in legal malpractice matters.
His tenacity in the courtroom led to a $26 million recovery, including...

Grant’s Law Firm, is a business oriented law firm composed of experienced attorneys delivering aggressive and innovative services in a cost-effective manner. While we offer the kind of work product, expected from a large law firm, we retain small firm efficiency and focus on personalized service to individuals, businesses and business owners throughout Orange County, Riverside County, and Los Angeles County, California.

Our business lawyers craft creative and efficient solutions to various legal problems, no matter how complex the issues may be. In doing so, we seek to build long term relationships with our clients, so that we can contribute to...

Milord A. Keshishian practices law with a focus on intellectual property rights. His training and experience includes the areas of patent, trademark, copyright, unfair competition, trade secret, and franchise law. He has extensive experience in litigating these matters, as well as counseling clients on transactions surrounding technology acquisitions and other business ventures. Milord is experienced in pursuing intellectual property protection in the United States and internationally. He also serves as an expert witness in patent litigation matters handled by prominent law firms. His interest in protecting intellectual property rights developed out of the respect he gained for the innovative thinking found in...

I have been licensed to practice law in the State of California since 1999. I am the managing shareholder of Century City Law Group, a Professional Corporation (Century City Law Group, APC). I studied accounting at the University of Southern California, and obtained my law degree from Loyola Law School. While attending Loyola Law School, I became a Production Editor of the Loyola Entertainment Law Review, and was also placed on the Dean's Honor List. I have received Martindale-Hubbel's distinguished "AV Preeminent" peer-review rating. I was named to Super Lawyer Magazine's Southern California Rising Stars...

Ori Blumenfeld is a senior associate with Margulies Faith LLP. Mr. Blumenfeld focuses his practice in all areas of complex bankruptcy and insolvency, corporate restructuring, distressed assets, acquisition and disposition, and related litigation matters. In terms of his corporate bankruptcy expertise, Mr. Blumenfeld has represented debtors, trustees, and both secured and unsecured creditors in bankruptcy courts. In addition, a substantial portion of his work consists of serving as general or special counsel to federal and state receivers appointed to general equity, Family Code, rents and profits, Health and Safety Code, and regulatory receiverships, as well as bankruptcy trustees, and...

Nate is a registered patent attorney with a full-service intellectual property law practice. His focus is on helping inventors, entrepreneurs, and businesses identify and protect their intellectual property. Nate has extensive experience with patent applications, trademark applications, copyright registration, and enforcing his client’s intellectual property rights.

In addition to serving his clients, Nate stays active in the legal community. He has served four years on the Board of Directors for the Orange County Intellectual Property Law Association (OCIPLA) where he is currently the Secretary. Nate is also a Member of the Board of Directors for Chapman University’s Fowler School of Law’s...

Ali focuses his practice on intellectual property litigation and transactions, with a focus on patent litigation and drafting. He is registered to practice before the Patent and Trademark Office (PTO). He has litigated large patent cases involving cutting edge technologies including semiconductors, telecommunications, consumer electronics, and medical devices. Mr. Shalchi obtained his B.S. degree in Biomedical Engineering from UCSD in 1998, where he completed several research projects on computer modeling of cardiac mechanics. He also received an M.S. degree in Biomedical Engineering, with a focus on MEMS (MicroElectroMechanicalSystems) & Semiconductor Fabrication, from UCLA in 2002. While at UCLA, he...

Justin Glyer's practice focuses on media, entertainment, marketing, technology and commercial contracts, start-ups, copyright, trademark, content, internet, communications, privacy and general business law.

Mr. Glyer has conducted successful negotiations with digital media start-ups, artists, producers, movie studios, television networks, promoters, talent agencies, multi-channel internet distributors, record labels, publishers, software developers, internet service providers, social media companies, business development professionals, accounting firms, public speakers, job recruiters, universities and academics, advertisers, marketing, telecommunications and technology companies, insurance carriers and a wide range of other individuals and businesses from the very small to the Fortune 500.

As a long-time former business and legal...

BIG FIRM EXPERIENCE…SMALL FIRM SERVICE® Melvin N.A. Avanzado is the principal of The Avanzado Law Firm, APLC. Mel is a trial lawyer and outside general counsel, representing clients in complex matters in entertainment, media, intellectual property, sports and employment. Mel has extensive experience practicing with big law firms but now practices in his own small firm so he has the ability to provide personalized service to his clients. Mel is extensively involved in his community. Mel is active with numerous non-profit organizations, serving as general counsel to the Chinese American Museum of Los Angeles and the UCLA Alumni Association...

Gerald R. Prettyman has been preparing and filing patents since 2001, and since 2006 has filed trademarks, copyrights and business filings, and worked to prevent and solve legal problems for his clients. Mr. Prettyman has prepared and filed over 200 patent applications for his clients and over 70 trademarks. Mr. Prettyman was previously an engineer and business manager, making him uniquely qualified to work with and protect the intellectual property of tech companies and to advise start-ups on how to make money without spending money. Mr. Prettyman is a U.S. Navy veteran.

Suzanne Natbony is a third generation lawyer, with a focus on business transactional and regulatory/compliance law, and dispute resolution. She is licensed to practice in California, with her own law practice, Solve & Win, in West Los Angeles, in addition to being a Partner at the international law firm, Aliant LLP (AliantLaw.com) and Of Counsel to Merino Yebri LLP (MYlawLLP.com) in Century City. Ms. Natbony also serves as outside General Counsel to Beverly Hills Rejuvenation Center, a multi-state medical spa franchise (BHRCenter.com), Rejuva Medical Aesthetics, a westside medical spa, For Us By Us Network, a streaming video platform, and...

I am a civil attorney specializing in Intellectual Property prosecution and enforcement. I have substantial experience in securing patent, trademark and copyright protection for my clients. I also have over ten years experience in litigating intellectual property disputes for both plaintiffs and defendants, in all levels of state and Federal courts.

Lawyer -- Experienced in Real Estate, Easements, Land and Construction, Forming and Operating LLCs, Corporations, Partnerships and Non-profits. 41 Years experience practicing law in the State of California, Rated "AV" Highest Possible Peer Review by Judges and Attorneys for Legal Ability & Ethical Standards. Served 10 Years as Commissioner/President L.A. City Planning Commission. Founder, CEO and chair of numerous local and regional organizations. Our firm provides complete legal and litigation services. Contracts, Collections, Debts and Bankruptcy for Creditors We assist our business and entrepreneurial clients in formation, operations, and disputes. We have extensive experience with non-profits and foundations. These include issues of internet,...

James H. (Jim) Gulseth was born and attended high school in Devils Lake, North Dakota and graduated with an A.B. degree from the University of California at Berkeley. Jim earned his JD degree at the University of California Hastings School of Law in San Francisco and is admitted to practice in the State of California and before the Federal District Court, Northern District of California, and the U.S. Court of Appeals, Ninth Circuit. He is a member of the Corporations, Business Transactions, Securities and Tax and Intellectual Property Sections of the State Bar of California. Jim’s reported cases include...

I am a successful Intellectual Property, Patent, Litigation and Appellate Law attorney. Based in California, my experience includes trademark matters in more than 150 countries.

I provide aggressive advocacy for a full range of intellectual property and patent law issues. I am committed to achieving the best possible results with efficient and effective representation.

I received my B.A. from Yale University, where I played Varsity Lacrosse. My J.D. is from the University of Southern California Gould School of Law.

Navid handles business litigation and employment litigation for individual and corporate clients in a wide range of industries, from small businesses to large publicly-traded corporations. As a seasoned Los Angeles entertainment lawyer, Navid has extensive experience in the media and entertainment industries, representing clients such as recording artists, managers and agents, production companies and content providers. Navid has litigated numerous intellectual property claims involving, among other things, copyright and trademark infringement, cyber-squatting, defamation, right of publicity, and trade secret misappropriation. Navid handles sexual harassment, wrongful termination, disability discrimination and pregnancy discrimination. Since 2002, Navid Soleymani has been litigating complex business, entertainment,...

I am a startup business lawyer and litigator practicing in Silicon Valley as head of a 4-lawyer boutique firm, George Grellas & Associates. We are business lawyers with a specialty in early-stage tech startups. Since 1984, we have helped small to medium-sized businesses, startups, entrepreneurs, and executives - several thousand in all. We help form companies - fund them - sell or merge or acquire them - sell their assets - do their corporate work, employment work, contracts, leases, and standard terms - licensing, trademark, and IP work - founder and equity incentive structures - commercial deals of all types. We...

www.jafarilawgroup.com _______ David Jafari opened the doors to Jafari Law Group in 2005. His practice has focused primarily on intellectual property, business law, and employment matters. In regard to intellectual property, Mr. Jafari has helped secure dozens of patents and dozens of trademarks for various clients, including individuals and business entities. Furthermore, Mr. Jafari has represented clients in over seventy litigation cases dealing with business, employment, and intellectual property related issues. Mr. Jafari has also served as a mediator and has helped clients settle cases outside of court. He holds a Certificate in Mediation from the Orange County Human...