Locations
Main Office
If you are interested in retaining our services or visiting us, please contact us at:
225 West Washington Street
Suite 1500
Chicago, IL 60606
Suite 1500
Chicago, IL 60606
Mail Correspondence
RPX Group
P.O. Box 5250
Chicago, IL 60680-5250
P.O. Box 5250
Chicago, IL 60680-5250
Telecom
| main number: | 312.291.9000 |
| fax: | 312.873.4378 |