Correspondent registry

Correspondents.

Every attorney or firm recorded with USPTO when an assignment was filed on a tracked US patent. The correspondent is the most useful tell when assignee LLCs look anonymous — shell chains commonly share one repeat-player attorney even when the LLC names are designed to look unrelated. Click any correspondent for the full asserter list and co-located associates.

How to read this registry

When a patent changes hands, the new owner records the transfer with the USPTO, and the attorney who files it is logged as the correspondent. Patent trolls constantly rename their shell LLCs to look unrelated — but the lawyer who files the paperwork usually doesn’t change. So one repeat-player correspondent, or one shared mailing address, is often the thread that ties a swarm of ostensibly-separate shells back to a single operator: the “47 LLCs all filed by one attorney at one Plano, TX address” pattern. Two views build on this table: Behind the shells (who owns the shells) and Co-location clusters (attorneys sharing an address).

Asserters
Distinct assignee entities (the LLCs / NPEs) this attorney recorded patents for. The headline signal — a high count is a repeat player servicing many entities.
Patents
Distinct patents touched across all of their recordings.
Recordings
Total assignment filings this correspondent appears on.
Addresses
Distinct mailing addresses seen. Shared addresses across different attorneys surface on the clusters page.
AttorneyFirmAssertersPatentsRecordingsAddresses
John F. Thomson2121
LINDEMAN, LAWRENCE G.LINDEMAN & FAHRNEY2121
ALDRIDGE P. HUGGINSKORUS LAW GROUP, APC2121
Matthew J. Van EmanWilson Sonsini Goodrich & Rosati2121
Jeffrey B. Love, JR.Love Law Firm2121
(firm only — no attorney name)CPA GLOBAL2121
Jeffrey H. RosedaleJEFFREY H. ROSEDALE2121
(firm only — no attorney name)POTTER, ANDERSON & CORROON2121
K. T. LI2121
(firm only — no attorney name)SCHOX, PATRICK & CHING2121
JAY S. HOROWITZJAY S. HOROWITZ2121
John M. FifeStreeterville Management2121
SUSAN M. KENDALLTHALES NORTH AMERICA INC.2121
BRENT D. LANDAU2121
STEPHEN G. CHANG2121
Jason S. Okleshen2121
MICHAEL D. BARNARDMALIBU NETWORKS2122
Ronald S. LaurieRAJ DESAI & LAURIE2120
ROBERT J STAUFFERSTAUFFER & ASSOCIATES2121
SCOTT S. MARSHALLLAW OFFICE OF SCOTT S. MARSHALL2121
MARC BLANKMAN2121
Paul H Wong2121
ANNE H. FOSSFOLEY & LARDNER2121
(firm only — no attorney name)ACACIA RESEARCH CORPORATION2121
BROWNING, BRUCE2121