IP Library › Assignment 024866/0651
Patent Assignment
Reel/Frame 024866/0651

Assignment of Assignor's Interest

Recorded: 2010-08-20 Pages: 5
Assignors
CHEN, CHAU-CHYUN
Executed: 2005-09-29
SONG, YUHUA
Executed: 2005-09-29
Assignee
ASPEN TECHNOLOGY, INC.
10 CANAL PARK, CAMBRIDGE, MASSACHUSETTS, 02141
Covered Property (1)
Computer Method and System for Predicting Physical Properties Using a Conceptual Segment-Based Ionic Activity Coefficient Model
Patent: 8,370,076 →
Application: 12/859,542 →
Publication: US 2011/0046936
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Address of Assignee Dec 19, 2012
From: ASPEN TECHNOLOGY, INC.
To: ASPEN TECHNOLOGY, INC.
Reel/Frame 029505/0722 →
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 →
Security Interest Jul 18, 2024
From: ASPENTECH CORPORATION; ASPEN PARADIGM HOLDING LLC
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 068424/0341 →