IP Library › Assignment 021441/0597
Patent Assignment
Reel/Frame 021441/0597

Assignment of Assignor's Interest

Recorded: 2008-08-26 Pages: 2
Assignors
WHITMAN, BRIAN
Executed: 2008-08-25
JEHAN, TRISTAN
Executed: 2008-08-25
Assignee
THE ECHO NEST CORPORATION
48 GROVE STREET, SUITE 205, SOMERVILLE, MASSACHUSETTS, 02144
Covered Property (1)
Determining the Similarity of Music Using Cultural and Acoustic Information
Patent: 8,073,854 →
Application: 12/101,013 →
Publication: US 2008/0256106
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Lien May 7, 2010
From: THE ECHO NEST CORPORATION
To: SOCAL IP LAW GROUP LLP
Reel/Frame 024352/0538 →
Release of Security Interest Aug 16, 2010
From: THE ECHO NEST CORPORATION
To: SOCAL IP LAW GROUP LLP
Reel/Frame 024839/0419 →
Assignment of Assignor's Interest Jun 15, 2016
From: THE ECHO NEST CORPORATION
To: SPOTIFY AB
Reel/Frame 038917/0325 →