U.S. Intellectual Property Counsel for Technology Companies
Arch & Lake helps U.S. and international innovators secure patents, manage global IP portfolios, and resolve IP disputes in federal courts, at the PTAB and ITC, and on appeal.
1,500+ Patents Secured | 100+ Disputes Handled | 680+ Clients Represented
Offices in: Chicago • Houston • Bellevue
About Us
Founded in 2018, Arch & Lake LLP is a boutique intellectual property law firm with offices in Chicago, Houston, and Bellevue. Our team of approximately 20 attorneys and professionals combines substantial legal experience with deep technical knowledge. Many of our professionals hold advanced degrees in engineering, computer science, and related technical fields.
We have helped clients secure more than 1,500 patents and represented companies in more than 100 intellectual property disputes involving patents, trademarks, copyrights, and trade secrets. Our attorneys represent clients before U.S. district courts, the U.S. International Trade Commission, the Patent Trial and Appeal Board (PTAB), the Trademark Trial and Appeal Board (TTAB), and the U.S. Court of Appeals for the Federal Circuit.
Our experience spans artificial intelligence, semiconductors, robotics, drones, sensors, wireless communications, mobile devices, battery technologies, advanced displays, and video coding. We help U.S. and international companies protect, manage, and enforce intellectual property in support of their business objectives.
Practice Areas
Trademarks
Technologies
Our attorneys and professionals have backgrounds in electrical engineering, computer science, mechanical engineering, biomedical engineering, civil engineering, chemistry, and related disciplines. We advise clients across technologies including artificial intelligence and machine learning, semiconductors, wireless communications, video coding, advanced displays, robotics, drones, medical devices, batteries, sensors, databases, and software systems.
Professionals
Hao Tan is an intellectual property attorney with more than 15 years of experience in patent prosecution, patent litigation, post-grant proceedings, and IP counseling. He represents U.S. and international clients before the PTAB, U.S. district courts, the ITC, and the Federal Circuit.
Shen Wang is an intellectual property attorney with extensive experience in patent prosecution, patent litigation, post-grant proceedings, client counseling, and technology analysis. Before entering private practice, he served as a USPTO patent examiner.
Haoyi Chen advises companies on intellectual property matters aligned with their business objectives, including trademark prosecution, TTAB proceedings, IP disputes and litigation, and trade secret protection.
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Alex Liang advises U.S. and international companies on cross-border patent litigation, trade secret disputes, import and export controls, sanctions compliance, technology transactions, and intellectual property strategy.
Peter Curtin is a trial lawyer with more than 25 years of experience representing clients in civil and criminal matters before federal courts across the United States.
Christopher J. (“CJ”) Fahy is an experienced intellectual property counselor and litigator who has handled patent, copyright, and trade secret matters in federal courts across the country.
Di Yu advises clients on patent procurement, trademark applications, export-control matters, mergers and acquisitions, commercial contracts, and business development.
Jiyeon Yang is a commercial attorney with more than 20 years of experience as in-house counsel in technology sectors. Her practice includes SaaS, enterprise software, professional services, marketing, privacy, supply-chain matters, and international operations.
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Zhangyuan (Ellen) Ji is an associate whose practice focuses on patent prosecution and PTAB proceedings, including inter partes review and post-grant review.
Yue (Alyssa) Yang is an associate whose practice includes patent prosecution, patent litigation, and related intellectual property matters.
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Jacob Skebba is counsel at Arch & Lake LLP and focuses his practice on patent prosecution and intellectual property litigation.
Chen Li is an associate whose practice focuses on patent prosecution, patent portfolio management, and related intellectual property matters.
Yu Ma is a technology specialist with more than 10 years of experience in patent prosecution and intellectual property management in private practice and in-house roles.
Discuss Your Matter
Email: info@archlakelaw.com
203 N LaSalle Street
Suite 2100
Chicago, IL, 60601
Tel. 312-558-1369
2500 Wilcrest
Suite 301
Houston, TX, 77042
Tel. 346-335-9890
10900 NE 4th St
Suite 2300
Bellevue, WA 98004
Tel. 425-289-7858
Tell Us About Your Matter
Office Hours
Mon–Fri • 8:30 a.m.–5 p.m.
Our team provides insights, news, and information about patents, trademarks, and other intellectual property practice in the United States and worldwide.