Liang & Cheng, PC is a patent law firm based in the heart of Silicon Valley and in the shadow of technology’s giants.
Liang & Cheng was established in 2011 by Kerry Liang and Susan Cheng, former attorneys at Blakely, Sokoloff, Taylor & Zafman.
We specialize in patent prosecution. We love technology and the business of creating it, and we understand the function of patents as both offensive and defensive weapons in a highly competitive business environment.
Patents are highly functional documents and when written properly, have language that is structured more like computer code than like regular prose. Thus, writing a good patent requires a rare combination of technical understanding, language ability, training, and experience.
Our attorneys have valuable industry experience in avionics, electrical engineering, software development, software QA, and technical writing. We understand engineers, and we speak their language.
We have written and prosecuted patents over a wide range of technical fields, including capacitive sensors, programmable devices, medical devices, medical robotics, communication protocols, encryption, network attached storage, RAID systems, user interfaces, and more. Over the course of our careers, we have had the pleasure to serve such illustrious clients as Cypress Semiconductor, AMD, Apple, Intel, NetApp, Data Domain, Accuray, Google, Abbott Labs, and Sony.