Procopio’s patent prosecution practice was recognized by Patexia as one of the most active practices in the United States, and three practitioners were singled out for individual honors.

In its 2025 Patent Intelligence Report, Patexia recognized Procopio as among the Top 100 firms in multiple categories out of more than 3,200 firms, based on USPTO data regarding the number of applications, issued patents, and more. In addition, Patent Agent Yuefen “Jennifer” Zhou was ranked in the Top 10, and Partners Miku Mehta and Brent Johnson in the Top 250, out of more than 28,000 attorneys and agents.

Miku advises clients in the U.S. and Asia on intellectual property, patent prosecution and counseling, as well as trademarks and copyrights. His practice focuses on the preparation and prosecution of patent applications, due diligence projects, including preparation of opinions in the areas of patentability, validity, infringement and product clearance, and patent licensing. Miku has extensive experience in technology including computer software and hardware, networks, internet-related applications, environmental technologies, optics, mechanical engineering, business processes and medical devices, as well as registration and renewal of trademarks and counseling on export control matters. He is the leader of Procopio’s Intellectual Property team and its Asia Pacific practice.

Brent focuses on intellectual property matters including patent prosecution, generating and managing portfolios in life sciences and other chemistry and material-based sciences. His experience includes post grant proceedings with the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board, IP due diligence, and IP import/export issues. With a PhD in chemistry, Brent counsels life sciences and medical device industry clients in a wide range of areas including pharmaceutical and chemistry-related technologies. He began his IP career at Allergan, where he managed patent portfolios for pharmaceutical products representing approximately $1 billion in annual sales, such as Lumigan®, Alphagan®, Combigan®, and Restasis®. Brent worked as a research chemist prior to his legal career.

Jennifer provides patent services for a wide array of life sciences and medical device companies in the chemistry arts, including application drafting and prosecution, freedom to operate analyses, non-infringement and invalidity opinions, and international portfolio management. With a PhD in organic chemistry and a postdoctoral fellowship in chemistry, she brings clients specialization in medicinal chemistry and drug discovery research in anti-neurodegenerative disorders, anti-HCV, antibacterial, anti-cancer and women’s health. Her chemistry expertise includes medicinal, organic, organometallic, polymer, surface, and combinatorial chemistry. Prior to Jennifer’s patent prosecution career, she spent 10 years as a medicinal chemist at a number of biotech and pharmaceutical companies in drug discovery research on several biological targets.

Procopio’s Patent Prosecution and Counseling attorneys understand your business goals and bring experience and creativity to develop and implement effective patent development and protection strategies tailored to a global marketplace. Our patent attorneys are techies with law degrees, and many have had successful careers in a variety of innovative industries. We’re ranked as a Top Ten Large Law Firm for Patent Quality by PatentBots. We’ve been recognized by Juristat as one of the fastest-growing patent firms in the United States based on growth in applications, and by U.S. News-Best Law Firms® as a top firm in both Patent Prosecution and Patent Litigation. IAM said in naming us to its Patent 1000 list that our practice is “highly valued for its A-to-Z patent offering… Accessible and hands on, its practitioners ensure a top-notch and responsive service at a reasonable price.”