Raju advises clients on the protection, enforcement and licensing of their intellectual property and the avoidance of infringement risks. His practice focuses on patent preparation and prosecution, preparation of patentability, invalidity and freedom-to-operate opinions, pre and post grant opposition proceedings, revocation proceedings, litigation, due diligence investigations, licensing and counseling in the biotechnology, chemistry, pharmaceutical, and healthcare fields. His litigation experience encompasses all phases of litigation including conducting pre-suit diligence, drafting, case management, preliminary injunctions, claim construction, trial, and appeal. He also provides clients with strategic counseling and advice regarding Paragraph IV filings.