Assignment of Assignor's Interest

Recorded: 2015-12-18 Pages: 4

Assignors

ZHENG, QINGSHENG QUINN

Executed: 2015-12-15

KEENAN, MICHAEL R.

Executed: 2015-12-15

HARMSE, MAGIEL J.

Executed: 2015-12-15

Assignee

ASPEN TECHNOLOGY, INC.

20 CROSBY DRIVE, BEDFORD, MASSACHUSETTS, 01730

Covered Property (1)

Improved Online Control Calculation for Models Containing Near Colinearity and Uncertainty

PCT: PCT/US2015/023904 ↗

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.