Ownership network
Asserters.
Every entity that has appeared as an assignee on a tracked US patent. Built from structured records extracted from each patent’s assignment-history dossier. Click any column header to sort; defaults to most cases filed. Entities markedNPE orshell LLC are flagged this way by the model from the patent dossier — known asserter lists, no products in commerce, registered-agent addresses, single-purpose Delaware/Texas LLCs. These classifications are inferences, not determinations, and may be wrong — treat an entity marked NPE or shell LLC as a possible one, to verify, not a confirmed one.
2 possible patent-rental round-trips — patents that moved A → B → A while B filed at least one infringement suit during its tenure. The round-trip is a structural pattern, not proof of intent: it can also reflect a security interest and release, a correction, or a financing deal. Flagged rows are marked below — treat them as leads to verify.
| Entity | Type | Patents now | Patents ever | Cases filed | Connections | Flags |
|---|---|---|---|---|---|---|
| CENTRIPETAL NETWORKS, INC. | operating co | 6 | 6 | 7 | 7 | |
| VELOXIS PHARMACEUTICALS INC. | operating co | 3 | 5 | 7 | 2 | |
| TQP Development, LLC | NPE | 1 | 1 | 7 | 1 | |
| MASSIVELY BROADBAND LLC | NPE | 11 | 11 | 6 | 2 | |
| HAEMONETICS CORPORATION | operating co | 9 | 9 | 6 | 2 | |
| BIRCHTECH CORP. | operating co | 5 | 5 | 6 | 1 | |
| REALTIME DATA, LLC | NPE | 5 | 5 | 6 | 2 | |
| RICMIC LLC | NPE | 5 | 5 | 6 | 8 | |
| NOKIA TECHNOLOGIES OY | operating co | 4 | 7 | 6 | 3 | |
| MPHJ TECHNOLOGY INVESTMENTS, LLC | NPE | 3 | 4 | 6 | 2 | |
| Earin AB | operating co | 2 | 2 | 6 | 1 | |
| DATONICS, LLC | NPE | 1 | 1 | 6 | 1 | |
| Cyberfone Systems, LLC | NPE | 0 | 1 | 6 | 1 | |
| WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. | NPE | 8 | 8 | 5 | 3 | |
| PALISADE TECHNOLOGIES, LLP | NPE | 6 | 11 | 5 | 4 | |
| ATHENA SECURITY, LLP | NPE | 4 | 4 | 5 | 1 | |
| FRACTUS, S.A. | NPE | 4 | 4 | 5 | 2 | |
| REGENERON PHARMACEUTICALS, INC. | operating co | 3 | 3 | 5 | 3 | |
| X ONE, INC. | shell LLC | 2 | 9 | 5 | 5 | |
| GENERAL VIDEO, LLC | NPE | 2 | 2 | 5 | 1 | |
| TRINA SOLAR CO., LTD. | operating co | 2 | 2 | 5 | 1 | |
| APPLIED OPTOELECTRONICS, INC. | operating co | 1 | 7 | 5 | 13 | |
| AUTHENTIXX LLC | NPE | 1 | 1 | 5 | 1 | |
| XIFI NETWORKS R&D INC. | shell LLC | 9 | 9 | 4 | 2 | |
| VALTRUS INNOVATIONS LIMITED | NPE | 6 | 6 | 4 | 2 |