USA California Intellectual Property: Patent Litigation

Irell & Manella houses an esteemed IP litigation practice prized for its bench of experienced courtroom attorneys and its experience in patent disputes. Additional strength for contentious trade secrets cases, licensing and post-issuance proceedings. Skilled at representing clients in ITC and PTAB proceedings. Often engaged by leading technology and life sciences companies to appear in high-profile litigation.

Cooley handles a range of contentious matters including misuse of trade secrets and defense of patent infringement claims. Also provides assistance with transactional matters, including licensing agreements. Offers ability guiding clients through USPTO engagements containing patent prosecutions and challenges.

Kirkland & Ellis acts for clients in a range of contentious matters, including patent, copyright, trademark and trade secrets cases. Also assists with post-grant proceedings and disputes involving RAND licensing matters. Receives particular recognition for its representation of hi-tech companies and life sciences sector clients. Offers experience handling IP disputes with significant antitrust aspects.

Latham & Watkins has a national footprint highlighted for its regular presence in district court, appellate and PTAB proceedings. The group offers effective representation in contentious copyright, trademark, trade secrets and patent proceedings. It provides skilled counsel to hi-tech and life sciences companies on inter partes reviews. The team is noted for the defense of clients against infringement claims brought by competitor entities. It is also distinguished for its abilities in handling TTAB opposition proceedings.

Morrison Foerster operates a go-to practice for patent and copyright litigation, which offers a deep roster of talented courtroom advocates. The team demonstrates additional proficiency handling contentious matters arising from misuse of confidential information allegations and trademark infringement claims. It also enjoys an excellent reputation for its handling of IPRs and counsel on IP portfolio management. The group is experienced advising on licensing and collaboration agreements as well as transactional IP due diligence concerns.

WilmerHale is highlighted for its abilities handling hi-tech patent infringement proceedings and ANDA cases. Effective counsel for inter partes reviews, licensing disputes and copyright, trademark and trade secret protection. Additionally skilled in representation for PTAB and ITC proceedings.

Gibson, Dunn & Crutcher provides strategic and effective litigation counsel for hi-tech and life sciences companies. It assists clients with inter partes reviews at the USPTO. The group offers additional strength handling trade secrets misappropriation claims and inventorship disputes. It is also recognized for its assistance with appellate and ITC proceedings.

O'Melveny & Myers offers experience representing hi-tech clients in litigation arising from patent infringement claims made by nonpracticing entities. Also assists entertainment and consumer electronics companies on contentious soft IP matters, including copyright ownership disputes. Noted for its excellent track record of handling inter partes reviews. Additional capabilities across trade secrets and trademark infringement matters.

Orrick has notable expertise in trade secrets misappropriation investigations and in digital copyright matters. Also assists clients with IP enforcement proceedings and patent infringement disputes. Also highlighted for its expert handling of post-grant reviews at the PTAB.

Ropes & Gray is highlighted for its strategic approach to multijurisdictional patent infringement disputes and post-grant reviews at the PTAB. Counsels clients on the IP aspects of corporate transactions, complex commercial licensing and collaboration negotiations and international opposition actions. Also advises on patent prosecution, digital rights and privacy matters. Noted expertise handling IP matters for technology and life sciences sector clients.

Weil, Gotshal & Manges is regularly sought out by cutting-edge electronics and life sciences companies to assist with district court and appellate proceedings arising from patent infringement allegations. The group is also highlighted for its counsel on USPTO inter partes reviews. It additionally demonstrates skill in handling complex inventorship disputes.

Baker Botts is noted for its strength providing IP counsel to high-profile technology sector clients in the Bay Area and nationwide. The group's practice includes representation in contentious IP matters before the district courts, the PTAB and on appeal at the Federal Circuit.

Covington & Burling is applauded for its strength assisting technology companies with complex patent litigation matters. The group is particularly sought out for its effectiveness defending both domestic and international companies against infringement actions initiated by patent assertion entities. It has also been noted for its skilled handling of matters before the PTAB and the ITC. Furthermore, the team handles misuse of trade secrets, inventorship and licensing disputes. It offers additional capabilities advising on contentious trademark and copyright matters.

DLA Piper is a well-known firm benefiting from an extensive international network. Has significant experience counseling clients on the defense of patent and trademark infringement claims as well as contentious copyright matters. Offers effective representation across ITC, Markman and Federal Circuit proceedings. Also assists with Patent Office matters, including post-grant reviews and patent prosecution. Additional strength in trademark portfolio management and licensing agreements.

Fenwick offers strategic and practical counsel on the management of IP portfolios and has a deep bench of technically knowledgeable patent prosecutors. The team provides adept assistance for filings, clearance searches and due diligence needs for corporate transactions. It is active in contentious patent, trademark and copyright proceedings as well as intellectual property audits and licensing agreements.

Jones Day is a leading name for IP portfolio management in the life sciences space, especially in biotechnology. Adept at patent prosecution and IP transactions. Also assists clients with patent, copyright and trade secrets disputes. Skilled handling post-grant reviews at the PTAB, often acting for pharmaceutical and hi-tech clients.

Kilpatrick Townsend & Stockton sports a respected IP team with nationwide resources and expertise advising consumer brand name clients on matters ranging from patent, copyright and trade dress litigation to trademark registration and licensing. Well equipped to take on scientifically or technically complex issues in district courts throughout the US, before the PTAB and at the Court of Appeals for the Federal Circuit.

Knobbe Martens is a highly respected IP boutique that assists clients with IP portfolio management matters including patent prosecution proceedings and due diligence for corporate transactions. Also handles trade dress and patent infringement claims, and advises on trade secrets misuse claims. Offers experienced representation in post-grant reviews before the PTAB.

Paul Hastings is a sizable firm with notable expertise advising high-profile technology companies involved in major IP disputes. Fields a growing bench of attorneys offering substantial experience representing clients before the ITC and PTAB.

Perkins Coie is a respected group with substantial experience in both contentious and noncontentious patent matters. Frequently called upon to represent leading technology-sector clients in patent infringement disputes before venues including district and federal courts and the ITC. Draws upon a bench of attorneys with strong technical expertise to advise clients of all sizes on patent prosecution and portfolio management. Offers notable expertise advising Asia-based clients on US patent concerns.

Davis Polk & Wardwell is a respected global firm with an increasingly prominent California-based patent disputes group. It boasts an impressive client list of major technology-sector companies and offers substantial expertise appearing in high-stakes cases before the ITC, PTAB and district and federal courts.

"Goodwin’s practice is rooted in partnering with, and advising, clients throughout their entire lifecycle - from seed financings to exit transactions and public company representation. They are full-service and are experienced in developing and implementing creative strategies to help maximize our business’s value, to fuel our growth."

Maynard, Cooper & Gale operates a broad IP practice frequently appearing before district courts, the Federal Circuit and PTAB. The group offers expertise in a variety of sectors with a particular emphasis on technology matters. It is able to further advise clients on litigation, strategy and portfolio management matters. The team is recognized for the sophisticated representation of clients involved in high-stakes patent disputes. It is adept at advising technology-sector clients of all sizes, from startups to major established companies. The group offers additional expertise in IP strategy and portfolio management.

Morgan, Lewis & Bockius is experienced in handling inter partes reviews, trade secret misuse allegations and the defense of infringement claims made by nonpracticing entities. Noted for its patent prosecution and patent counseling services. Particularly highlighted for its deep expertise in the life sciences sector, including in biotechnology and biosimilars. Also advises technology clients on patent prosecution and copyright cases. Offers additional expertise in IP commercialization transactions, including licensing agreement matters.

Sheppard Mullin is regularly called upon to litigate complex IP disputes at both federal and district court, as well as before the ITC. The team offers notable experience representing leading software and technology companies.

Sidley Austin maintains an impressive track record in high-stakes IP disputes, with demonstrable experience in complex patent trials. The firm represents an enviable client base of leading technology and life sciences sector clients.

Wilson Sonsini houses a multifaceted practice singled out for its representation of clients in complex patent litigation and copyright disputes. Offers expert counsel on the management of IP portfolios, including with patent prosecution and due diligence for corporate transactions. Also advises on licensing and collaboration agreement negotiations.