Rajat Jain is associated with Vaish Associates, Delhi, since 2013 and specializes in intellectual property rights, information technology laws, and white-collar crimes.

He is responsible for handling matters relating to money laundering, black money, income tax evasions, benami transactions, intellectual property rights, information technology, cyber-crimes, data protection, privacy laws, domain name disputes, contractual disputes, recovery of money, etc. He regularly appears before the different courts and tribunals in India. In addition, he is regularly advising the clients on the different areas of law.

Besides handling the prosecution and litigation relating to IPR, he is also regularly advising clients on various aspects of transfer/ acquisition of intellectual property and preparation of agreements. He also has various publications in his name.