IP Library Assignment 017062/0041
Patent Assignment
Reel/Frame 017062/0041

Assignment of Assignor's Interest

Recorded: 2005-09-30 Pages: 4
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: 7,809,540 →
Application: 11/241,675 →
Publication: US 2006/0031053
Related Assignments (4)
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 →
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 →