Robert Sean Stien is named as a lobbyist on federal disclosure filings for 1 client through Interdigital, Inc.. The most recent filing naming them posted in October 2026. Issues reported include Copyright/Patent/Trademark, Trade (domestic/foreign), Telecommunications and Taxation/Internal Revenue Code.
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| INTERDIGITAL, INC. | INTERDIGITAL, INC. | Q3 2026 | Telecommunications, Trade (domestic/foreign), Taxation/Internal Revenue Code |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 1 | 1 |
| 2025 | 1 | 1 |
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name Robert Sean Stien. See the Capitol Clarity rankings and method.