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Get comprehensive legal services for the semiconductor industry from one of the top law firms on all aspects of semiconductor technology.

We have a deep understanding of the industry and the importance of semiconductors for nearly every piece of technology shaping our world, which is why our clients turn to us to advise them on all aspects related to semiconductor technology, including digital, mixed signal, and analog integrated circuits. 

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SoftBank M&A Deals

Arm Holdings: Represented Arm on Largest IPO of 2023

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Join MoFo for a CLE Webinar on the Enforcement Risks of Emerging Technologies in Electric Vehicles

Examining the CHIPS Act and the Intellectual Property Outcomes for the Tech Sector

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私人诉权的确立以及新实施细则的出台进一步加强了中国《反外国制裁法》的执行力度

Enforcement of China’s Anti-Foreign Sanctions Law Strengthens Through Private Cause of Action and New Implementing Rules

In its Twilight, Biden Administration Adopts More Export Controls to Restrict China’s Ability to Produce Advanced Semiconductors

New Sheriff in Town: Treasury Proposes Unprecedented Outbound Investment Screening Regulations

Key Takeaways from the Federal Government’s Proposed Rule Banning Certain Chinese-Origin Semiconductor Technology

Early Impact of the CHIPS Act

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Morrison Foerster Named a Leading Firm for Technology by Chambers USA 2025

17 MoFo Partners Named Among Lawdragon’s 500 Leading Global IP Lawyers

Rich Hung and Bita Rahebi Named Top Intellectual Property Lawyers by Daily Journal

MoFo Advises SoftBank on its US$6.5 Billion Acquisition of Ampere Computing

Chris McKinnon Named to San Francisco Business Times’ 40 Under 40 List for 2025

MoFo Advises FormFactor in Its Partnership with MBK Partners to Acquire FICT

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Bita Rahebi serves as co-chair of Morrison Foerster’s global IP Litigation Group and cross-disciplinary Intellectual Property Group and is a co-leader of its Semiconductor Industry Group. The world’s largest and most innovative technology companies turn to Bita for her trial skills and her strategic direction leading complex, high-stakes litigation matters. She litigates before state and federal trial courts, the Federal Circuit, and the International Trade Commission on a wide range of matters involving semiconductors, software, consumer electronics, medical devices, and standard essential patents (SEPs).As a trial lawyer, Bita is known for zealously representing her clients’ interests. She brings an ability to explain complicated issues to juries and judges, a skill honed through years of experience working with cutting-edge technologies. She has obtained a complete defense victory as lead trial lawyer, invalidated numerous patents, and also obtained winning results for plaintiffs.Bita’s successes as an attorney have built her reputation as a recognized leader for intellectual property litigation. Chambers USA noted that Bita “offers substantial expertise handling patent disputes for technology-sector clients,” and clients have called her a “razor-sharp” lawyer who “excels at trial and litigation strategy” and is “client focused.” Bita’s accolades include:<ul><li>Named a Top Intellectual Property Lawyer by Daily Journal for multiple years</li><li>Recognized for Intellectual Property: Patent Litigation, California in the 2022–2024 Chambers USA guides</li><li>Selected as Intellectual Property, Women Leader in Tech Law 2024 by The Recorder</li><li>Named a Leading IP Strategist, IAM Strategy 300 2024</li><li>Recognized in “Leaders of Influence: Litigators & Trial Attorneys” in 2023 by the Los Angeles Business Journal</li><li>Named to IAM’s Patent 1000 list for Litigation (2022–2024)</li></ul>Bita’s litigation practice includes patent, trade secrets, and copyright litigation. Additionally, Bita advises clients on strategic transactional issues and negotiates on behalf of clients in patent licensing discussions. Bita has also successfully tried criminal jury matters at the Los Angeles City Attorney’s Office, securing a guilty verdict for every trial.Bita is the past president of the Los Angeles Intellectual Property Law Association and she co-founded the organization’s Women in IP committee. She also served as a Ninth Circuit Judicial Conference Lawyer Representative.Earning her B.A. from the University of California, Berkeley, she served as president and editor-in-chief of the Daily Californian. She received her J.D. from the University of California, Los Angeles, where she was an editor of the UCLA Law Review.<h4>Representative Experience:</h4><ul><li>Nevro Corp. v. Stimwave Technologies Inc. (District of Delaware). Represented Nevro Corp., a public global medical device company, in its patent battle against competitor Stimwave Technologies, Inc. Secured a preliminary injunction for Nevro, after an all-day evidentiary hearing. The case subsequently settled after Stimwave stipulated to a permanent injunction agreeing not to infringe the patents.</li><li>Lamar v. Beats, Dr. Dre, and Jimmy Iovine (LA Superior Court). Represented Defendants in a breach of written royalty agreement involving the design of Beats headphones.</li><li>Analog Devices v. Xilinx Inc. (District of Delaware). Represented Xilinx in a 16-patent case, including a counterclaim by Xilinx against ADI.</li><li>Farstone Technology, Inc. v. Apple Inc. (Central District of California). Represented Apple in a patent infringement suit against Farstone Technology Inc. Secured a victory for Apple and invalidated the asserted patent on Williamson grounds. The decision was affirmed by the Federal Circuit.</li><li>AirWatch, LLC v. Good Technology Corp. (Northern District of Georgia; District of Delaware). Represented AirWatch in patent infringement actions against Good and also defended AirWatch in a patent infringement action in D. Delaware.</li><li>Digital Empire v. Compal Electronics (Southern District of California). Lead counsel defending original design manufacturer and three of its subsidiaries in patent infringement action; successfully obtained order for fees and costs under 35 U.S.C. § 285 (exceptional case).</li><li>eTool Development, Inc. v. National Semiconductor Corporation (Eastern District of Texas). Represented Texas Instruments (formerly National Semiconductor) in a patent infringement lawsuit involving online configuration software. Prevailed on summary judgment on two separate non-infringement grounds. Successfully defeated motion for reconsideration.</li><li>Cypress Semiconductor v. Altera Corporation (Santa Clara Superior Court). Represented Altera Corporation in trade secrets litigation brought by Cypress Semiconductor concerning programmable logic devices. A favorable settlement was reached prior to trial.</li></ul>

Bita Rahebi

Partner

Erik Knudsen is a corporate partner and serves as co-chair of the firm's global Mergers & Acquisitions Practice. He is also a member of the Private Equity Buyouts & Investment Group.Erik focuses his practice on complex business transactions, including leveraged buyouts, strategic mergers, acquisitions, investments and joint ventures, reorganizations, growth equity and venture capital investments, and divestitures.With a broad industry reach, Erik has led transactions in diverse sectors such as healthcare, industrial, software, internet, technology, business services, distribution, and manufacturing. His industry‑specific knowledge and comprehensive understanding of the private equity market and corporate counsel requirements position him as a trusted advisor for clients navigating complex business landscapes.

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