Castella Patents Lawyers

Heather Slotnick has over twenty years of experience working collaboratively with clients to develop high quality intellectual property (IP) portfolios while reducing legal risks. Drawing on her past in-house experiences, Heather brings an entrepreneurial, client-side perspective to the services of protecting IP rights. She is more than a lawyer offering legal solutions because Heather works with clients to develop a plan to achieve IP goals which are in line with their business goals. Heather also assists with negotiating and preparing agreements, IP analysis (including opinion letters and freedom-to-operate projects) and IP due diligence.

Prior to founding MLO, Heather...

James Yang earned his Bachelor of Science in Mechanical Engineering from California State Polytechnic University in Pomona, a school recognized for its engineering program. Prior to entering the legal field, James Yang worked extensively in different areas of mechanical engineering. For several years, James managed a folding carton business where he acquired hands-on experience with automated machinery, printing equipment, die cutting machines and all aspects of paper box manufacturing. James also worked as a mechanical engineer for Avibank Manufacturing, a supplier of custom fasteners for the aerospace industry where he designed products for companies such as Boeing. Shortly before entering...

David Tsai is a Partner in Vinson & Elkins LLP’s San Francisco office. David's practice focuses on patent, trade secret, complex breach of contract, and product defect litigation for companies innovating biotechnology (pharmaceuticals and genetic engineering), medical devices, software (Internet and mobile apps), and hardware (semiconductors, set-top boxes, smartphones, solar wafers and light-emitting diodes/LED/OLED). His legal experience includes second chairing international arbitration cases, litigating in the areas of copyrights and trademarks, preparing and prosecuting U.S. electrical engineering patent applications, drafting patentability, freedom-to-operate and non-infringement opinions, as well as patent interference in the area of biotechnology. He also represents clients...

Michael Fabiano's practice at Fabiano Law Firm, P.C. focuses on patent litigation, patent prosecution and licensing, business litigation, intellectual property licensing and client counseling, as well as trademark and trade secret protection and litigation. He also has substantial experience in intellectual property counseling and due diligence. He has been named one of "San Diego's Top Attorneys" by San Diego Metro magazine. He is registered to practice before the United States Patent and Trademark Office. He is admitted to practice in the U.S. Court of Appeals, Federal Circuit, the U.S. Court of Appeals, Ninth Circuit, and all state and federal courts in...

Joe Mellema's practice focuses on litigation in federal and state courts, including the protection and enforcement of intellectual property rights, and business and commercial disputes. He has handled patent, trademark, copyright, trade secret, unfair business practices, antitrust, and business and commercial lawsuits in all phases of litigation and arbitration.

Joe is well-versed in patent and trademark enforcement, preparation and prosecution, as well as trademark enforcement and opposition proceedings before the Trademark Trial and Appeal Board of the United States Patent & Trademark Office. He has considerable experience litigating patents in a variety of technical fields, including optical devices and components, computer...

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.

Quynh (“Quinn”) Chen is a bilingual attorney that has been admitted to practice in the Ninth Circuit of the United States Appellate Court. Her practice areas primarily focus on family law, entity formations, and intellectual property. Her interest is in software patents and helping underrepresented clients in her community.

As part of her interest in software patents, Ms. Chen is proficient in programming in Ruby on Rails, MEAN stack Javascript, and working with various databases. While at Golden Gate University, School of Law, she served as Vice President of Asian Pacific American Law Student Association.

Eric works with technology companies to increase revenue and value while reducing risks from employees and operations. Eric is an expert in FDA regulated products with experience in human clinical trials all over the Untied States, Europe and Asia.

Olav Mitchell Underdal is a licensed attorney, admitted to the California State Bar; and a registered patent attorney, licensed to practice in all patent and trademark cases before the United States Patent and Trademark Office. Mr. Underdal holds a M.S. in General Engineering from The Technical University of Denmark with concentrations in Electronics, Software Engineering & Systems Engineering, a M.S. in Computer Science/System Design from the University of Manchester, UK, and a Juris Doctor in Law from Northwestern California University School of Law. He is a co-inventor of 15 United States patents, and has drafted and prosecuted more than 130 US...

Christopher E. Botti, co-founder of Botti & Morison Estate Planning Attorneys, Ltd., specializes in all aspects of estate planning. Mr. Botti advises clients on all aspects of estate, gift and generation-skipping tax planning, including the creation of revocable trusts, irrevocable life insurance trusts, qualified personal residence trusts, charitable remainder trusts, private annuities, private foundations, grantor retained annuity trusts, family limited partnerships and dynasty trusts. He also assists clients in the funding of revocable trusts and the preparation of estate and gift tax returns, all forms of trust and probate administration, including the purchase and sale of large trust assets, the...

I am an intellectual property specialist with 20 years in practice. My primary practice is IP prosecution and client counseling, specifically regarding patents. I have worked with clients to obtain patent protection on ideas ranging from high-technology military electronics, networks, internet business methods, digital and analog electronics, communication systems, IC manufacture and design, medical devices, microturbines, air bearings, animation techniques, and digital cinema to pre-fabricated wall sections for building construction, fishing lures and musical instruments. My broad technical experience coupled with my business experience provides clients a valuable perspective for identifying, capturing, protecting and exploiting their intellectual...

Andrew is a trial lawyer and intellectual property counselor helping clients build and protect their intellectual property portfolios and defend against accusations. He appears in the Federal Circuit and District Courts in several jurisdictions, including CA, DE, NY, TX, and VA and represents clients in the patent and trademark office and in arbitration. Andrew provides counseling including opinions regarding patent validity and infringement, intellectual property due diligence, litigation-avoidance strategies, etc.

Andrew has a degree in systems engineering and software engineering experience (designing and coding client/server software and relational databases). He has extensive experience litigating cases in a variety of...

Saul Acherman is an attorney licensed in California. He focuses on intellectual property matters, including patent and trademark prosecution and litigation. Saul is a registered patent attorney licensed to practice in patent matters before the United States Patent and Trademark Office (registration number 72,898). He is also involved with other business and civil litigation matters including business formation, contracts, and employment matters, and is admitted to practice in all courts of the State of California as well as the United States District Court for the Central District of California. After receiving a BA in Philosophy from the...

Wooshik Shim is a registered patent attorney. Wooshik received his B.S. and Ph.D. in physics from Seoul National University, and J.D. from Chicago-Kent College of Law. He is an active member of the Illinois Bar and is also registered before the U.S. Patent and Trademark Office. Wooshik is passionate about all things patents. Wooshik is an expert in prior art searches and patentability analysis. He has reviewed and produced Written Opinions on hundreds of PCT patent applications. A number of cases he reviewed came from diverse areas of science and engineering, including: optics, mechanical engineering, micro-electromechanical systems, chemistry, electric engineering, medical...

Strategic intellectual property counseling including patents, trademarks, IP business transactions, design-around strategies, and pre-litigation counseling.

I am an experienced intellectual property, transactional, and regulatory attorney who handles matters for high technology institutions such as Fortune 500® and other entrepreneurial businesses. As a partner in a large law firm, my clients included medical device, diagnostics, biotechnology, pharmaceutical, and convergence technology companies, prominent private research institutes, and the nation's premier public university system. I also managed all legal affairs for a university's $130M research program well-known for developing laser, optics, and simulation technologies. For many years, I was recognized nationally for my law practice by The Best Lawyers in America®. I have assisted clients with...

The proprietor, Mr. Alexis Saenz is a patent attorney with nearly a decade of experience. He has prepared hundreds of patent applications and responses to the USPTO. He has an upfront approach guiding clients early on in what to expect out of the patent process.

His emphasis of practice is with start-up ventures and mid-size companies in the growth stage. Having work experience with a start-up company has provided him with keen insights on the successes and pitfalls growing companies encounter. Alexis is active in start-up communities and local chambers of commerce often lending an ear to those businesses needing a...

I was born in Brazil but grew up in Riverside after my family immigrated to the United States. Growing up I loved playing football, basketball, soccer, and baseball with my brothers and the kids in the neighborhood but I was always fascinated by my oldest brother's interest in science. So after graduating from high school in Riverside I majored in Electrical Engineering at California Polytechnic University where I obtained both a Bachelor and Master degree in Electrical Engineering. As an engineer I have worked for a number of different technology companies ranging from large aerospace...

Roland Tong has over a decade of experience in IP litigation and Patent Prosecution. Cases handled by Mr. Tong include patent lawsuits in industries, such as automotive, mobile phones, manufacturing, and printer cartridge remanufacturing. He also represents computer software, gaming device, medical device, and sports equipment companies in obtaining US and foreign patents and trademarks. Passionate about IP law, he has authored various legal articles that have been published in highly respected publications and newsletter.

Tax Debt Approach Blog includes updates helpful for taxpayers to constantly evaluate their tax debt options ( https://rebrand.ly/TDABlog )

Tax Controversy Blog includes non-tax debt changes in rules and practical content helpful in dealing with tax agencies ( https://rebrand.ly/TCBlog )

I prepare presentations for the public on tax topics, and provide CLE of value to Attorneys and CPA's due to being a Multiple Activity Provider of Tax Specialization Continuing Education licensed by the Board of Legal Specialization of The State Bar of California.

I help startups emphasizing with an approach of keeping a low profile while gathering data, comparing which jurisdiction will...

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...

Dylan C. Dang is an intellectual property attorney who has extensive experience in patent and trademark litigation at both trial and appellate levels.

Glen Nuttall is a seasoned attorney that counsels clients in all aspects of intellectual property law. He helps clients develop and implement strategies that use patents, trademarks and other intellectual property to add value to their company. He also helps clients avoid or overcome the intellectual property of others.

Glen’s skills and experience include helping engineers identify and preserve inventions, preparing and prosecuting patents and trademarks in the U.S. and foreign countries, developing and maintaining complex patent and trademark portfolios, conducting Patent Office proceedings, such as Inter Partes Reviews, to challenge or defend patent validity, performing infringement and invalidity...

Registered patent attorney with several years of experience in practicing intellectual property (IP) law, particularly in the areas of preparing and prosecuting patent, trademark, and copyright applications, patentability and infringement analyses, strategic IP counseling, and enforcing intellectual property rights.

I am a registered patent attorney licensed in Texas and California and have been practicing for fifteen years. Our firm is unique in that we handle not only acquiring patents, trademarks and copyrights, but we are also comfortable litigating those rights as trial lawyers. The lawyers at our firm have a diverse array of technical backgrounds to serve wide ranging industries.

Kregg is a patent attorney in Los Angeles, focusing on patent prosecution of mechanical and medical devices, and related technologies. Large firm experience at affordable prices.

Kregg’s technical experience is among the best you will find. He spent years as a combustion devices design engineer on NASA’s Space Shuttle Program before earning his law degree from one of the top law schools in the country.

Kregg has helped clients of all sizes, from solo inventors and startups to Fortune 500 companies protect their innovations.

Call today for a complementary consultation to discuss your patent needs and how...

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.

Jaymie Sabilia-Heffert is an attorney at Sanders Law Group and is a member of the firm’s Copyright Infringement team. She is an experienced civil litigation attorney, with diverse knowledge and experience in a wide range of legal fields, including complex construction litigation, business disputes, and administrative appeals. She has experience litigating matters in both state and federal courts. Jaymie earned her J.D. from Touro College Jacob D. Fuchsberg Law Center in New York and is admitted in New York State, the Northern District of New York, and the Southern District of New York.

Marc Colen received his bachelor of science and master of science degrees in engineering from U.C.L.A., studied economics and C.S.U.N and then received his J.D. from Loyola Law School on an accelerated program. He was elected a member of the Law Honor Society and received the American Jurisprudence award. Marc immediately passed the bar examination. After working for law firms, including Jones, Day, Marc began his own practice in 1990. Marc has taught and lectured at U.C.L.A., the RAND Graduate School and Pierce College. He is the author of many papers and has made...

Dan Ballard serves as outside corporate counsel for small to medium-sized businesses. In addition to transactional and branding advice, Mr. Ballard focuses on providing intellectual property advice and, if necessary, litigation to resolve disputes. As a patent attorney, Mr. Ballard works to protect clients' intellectual property assets through patent, trademark, and copyright registrations.