Patent Assignment
Reel/Frame 050387/0016
Assignment of Assignor's Interest
Recorded: 2019-09-16
Pages: 4
Assignors
DUAN, NING
Executed: 2017-03-27
HUANG, JING CHANG
Executed: 2017-03-27
JI, PENG
Executed: 2017-03-27
MA, CHUN YANG
Executed: 2017-03-27
WANG, ZHI HU
Executed: 2017-03-27
YAO, RENJIE
Executed: 2017-03-27
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.
Corrective Assignment to Correct the Property Number Previously Recorded at Reel: 50387 Frame: 001. Assignor(S) Hereby Confirms the Assignment.
Oct 29, 2019
From: APPEL, ANA PAULA; JULIANI, VICTOR BOA; LEAL, ANDRE GAMA; PINHANEZ, CLAUDIO SANTOS
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 050854/0511 →
Assignment of Assignor's Interest
Jan 15, 2021
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: AIRBNB, INC.
Reel/Frame 056427/0193 →