Marta Levine practiced in the areas of trademark and copyright law. She had extensive experience in representing businesses in the protection of their trademark and copyright rights, including :

- Represented businesses in selecting and clearing trademarks (including assisting in investigation of other companies' trademarks).

- Represented businesses in the registration of trademarks with the U.S. Patent and Trademark Office (including prosecuting applications and representing businesses in trademark oppositions and cancellations).

- Represented businesses in trademark licensing.

- Represented businesses in disputes over trademark rights.

- Represented businesses in registering trademarks in foreign countries, including prosecuting foreign trademark applications and representing clients in trademark oppositions, infringement litigation, and licensing.

- Represented businesses in registering copyrights with the U.S. Copyright Office.

- Represented businesses in disputes over copyright rights.