Patent Assignment
Reel/Frame 020353/0652
Assignment of Assignor's Interest
Recorded: 2008-01-11
Pages: 6
Assignors
TREIBER, STEVEN
Executed: 1999-11-24
GHORPADE, SUBHASH
Executed: 1999-11-05
CHEN, CHAU-CHYUN
Executed: 1999-10-28
SIROHI, ASHURAJ
Executed: 1999-10-28
RAMANATHAN, SUNDARAM
Executed: 1999-10-28
LINGARD, SIMON
Executed: 1999-10-28
Assignee
ASPEN TECHNOLOGY, INC.
200 WHEELER ROAD, BURLINGTON, MASSACHUSETTS, 01803
Covered Property
(1)
Computer Method and Apparatus for Determining State of Physical Properties in a Chemical Process
Patent:
6,862,562 →
Application:
09/678,724 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Certificate of Amendment/Address Change
Mar 12, 2015
From: ASPEN TECHNOLOGY, INC.
To: ASPEN TECHNOLOGY, INC.
Reel/Frame 035190/0794 →
Security Interest
Mar 2, 2016
From: ASPEN TECHNOLOGY, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 037974/0786 →
Change of Name
Jul 29, 2022
From: ASPEN TECHNOLOGY, INC.
To: ASPENTECH CORPORATION
Reel/Frame 061006/0171 →