Patent Assignment
Reel/Frame 050854/0511
Corrective Assignment to Correct the Property Number Previously Recorded at Reel: 50387 Frame: 001. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2019-10-29
Pages: 7
Assignors
APPEL, ANA PAULA
Executed: 2016-08-17
JULIANI, VICTOR BOA
Executed: 2016-08-17
LEAL, ANDRE GAMA
Executed: 2016-08-17
PINHANEZ, CLAUDIO SANTOS
Executed: 2016-08-17
TERAKADO, MARCELA MEGUMI
Executed: 2016-08-17
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
System, Method and Computer Product for Classifying User Expertise
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 16, 2019
From: DUAN, NING; HUANG, JING CHANG; JI, PENG; MA, CHUN YANG
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 050387/0016 →
Assignment of Assignor's Interest
Jan 15, 2021
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: AIRBNB, INC.
Reel/Frame 056427/0193 →