Patent Prosecution

Practice Areas

Osha Liang is known for drafting, prosecuting and obtaining patents at the forefront of science and technology. We focus on obtaining patent claims that match our clients’ business objectives supported by patent specifications providing fallback positions which are both in line with the requirements of different jurisdictions and useful in case of judicial or post-grant proceedings. As engineers and scientists with hands-on work experience in a diverse range of technology areas, our patent professionals are able to manage each client’s patent portfolio in a timely and comprehensive manner.  Our patent practice covers all technical disciplines and we have filed patent applications in almost every industrialized country in the world. Our prosecution team has extensive experience drafting, prosecuting, defending and opposing patents at the United States Patent and Trademark Office (USPTO) and the European Patent Office (EPO). In addition to our on-the-ground coverage in the United States, China, Japan, and France, we also partner with a carefully-vetted network of counsel located in other key jurisdictions worldwide.


Our attorneys are as diverse as the industries we represent. Our backgrounds include a wide variety of engineering and science degrees, including electrical engineering, mechanical engineering, chemical engineering, material science, chemistry, physics, neuroscience, genetics, biology, cell and molecular biology, food and biotechnology, pharmaceutical sciences, imaging science, and computer science. Calling upon our wide-ranging experience and focused IP perspective, we create cutting-edge litigation strategies to be dynamic and effective.