Notable Clients
Since 1983, Annette P. Heller has represented over 1,800 clients in their trademark and copyright matters. Some of her local and national known clients include:

- Mary Engelbreit
- Scottrade
- Nettie's Flowers
- Klutz
- IACC [International Association of Conference Centers]
- Arizona Football Cardinals
- HearthSong
- Techguard Security
- Webster University
- Afro World
- Volpi
- HandBlownGlass.com
- OCL [Original Cast Lighting]
- Grace Hill Settlement House
- Service Experts
- Lifestyles
- Azaleia
- A.E. Schmidt
- Fitz's Root Beer
- Really Big Coloring Books
- Biologix Products
- Benjamin Franklin Plumbing
- Kemoll's
- Mister Sparky
- TAB [The Alternative Board]
- One Hour Heating & Air Conditioning
- The Mutual Fund Store
- The Federal Reserve Bank of St. Louis
- The Federal Reserve Bank of Kansas City
- The Federal Reserve Bank of Minneapolis
In addition, Annette Heller has filed over 4,000 trademark applications with the US Patent & Trademark Office for her clients and successfully registered over 2,200 In the Trademark Trial and Appeal Board, she has handled over 225 cases.