Brian D. Ledahl
Russ August & KabatGeneral
Experience23 yrs
Elite Ratings
CAFC
Practice Areas
Comp. Arch. and Software (221 cases)
Software, Security (175 cases)
Communications (145 cases)
Semicond., Optic (131 cases)
Transport., E-Comm. (80 cases)
Ratings
Experience
Grade
Trend
DCT
L5
E
PTAB
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CAFC
L4
A
Cases
Case # | Court | Caption | Filed | Represent |
|---|---|---|---|---|
| 2:25-CV-00965 | Headwater Research LLC v. Tencent Holdings Ltd | 09/18/25 | Patent Owner | |
| 2:25-CV-00964 | Headwater Research LLC v. Supercell Oy | 09/18/25 | Patent Owner | |
| 2:25-CV-00961 | Headwater Research LLC v. Walmart Inc | 09/18/25 | Patent Owner | |
| 2:25-CV-00962 | Headwater Research LLC v. Uber Tech Inc | 09/18/25 | Patent Owner | |
| 2:25-CV-00963 | Headwater Research LLC v. Target Corp | 09/18/25 | Patent Owner | |
| 7:25-CV-00415 | HFT Solutions LLC v. Optiver US LLC | 09/08/25 | Patent Owner | |
| 7:25-CV-00411 | AlmondNet Inc v. Ozone Project Ltd | 09/05/25 | Patent Owner | |
| 3:25-CV-07591 | Apple Inc v. Headwater Research LLC | 09/05/25 | Patent Owner | |
| 7:25-CV-00407 | Headwater Research LLC v. Apple Inc | 09/04/25 | Patent Owner | |
| 3:25-CV-07453 | Google LLC v. Headwater Research LLC | 09/03/25 | Patent Owner |