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
Joshua B. GlatterFox Rothschild1111
Matthew J. R. MarcouPatents On Demand1111
ANNE J. MURPHYSTOEL RIVES1111
JOHN M. NEHRANEHRA LAW1111
JOHN G. CHENGARTEISER HONICK & CHEN1111
BRENTON A. JENKINSKUNZLER BEAN & ADAMSON1111
WADE J. S. HATCH—1111
Andrew J. LeeNelson Mullins Riley & Scarborough1111
Matthew L. JohnsonDickinson Wright1111
(firm only — no attorney name)HOLLEY PERFORMANCE PRODUCTS1111
William C. NealonNEALON & ASSOC.1111
ANIL RAMNANI—1111
(firm only — no attorney name)BLACKBERRY LIMITED1111
(firm only — no attorney name)BEIJING TIANYULAW FIRM1111
(firm only — no attorney name)SENSORY, INCORPORATED1111
Jane SmithIP Transfer Law1111
John DoePatent Law Firm A1111
E. BRYAN DONALDSON—1111
H. SCOTT DECKERDUANE MORRIS1111
STEVEN J. LAHOUDLERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK1111