IP Library Assignment 030215/0450
Patent Assignment
Reel/Frame 030215/0450

Assignment of Assignor's Interest

Recorded: 2013-04-15 Pages: 4
Assignors
WHITMAN, BRIAN
Executed: 2013-03-22
CAO, HUI
Executed: 2013-03-22
Assignee
THE ECHO NEST CORPORATION
48 GROVE ST., STE. 205, SOMERVILLE, MASSACHUSETTS, 02144
Covered Property (1)
Named Entity Extraction from a Block of Text
Patent: 9,158,754 →
Application: 13/850,044 →
Publication: US 2013/0262089
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 15, 2016
From: THE ECHO NEST CORPORATION
To: SPOTIFY AB
Reel/Frame 038917/0325 →