Patent Assignment
Reel/Frame 017915/0396
Recording to Correct First Assignor's Name on Assignment Document; Previously Recorded at R/F 017239/0251
Recorded: 2006-07-10
Pages: 7
Assignee
COMPUWARE CORPORATION
ONE CAMPUS MARTIUS, DETROIT, MICHIGAN, 48226
Covered Property
(1)
Characterizing Application Performance Within a Network
Related Assignments
(11)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 7, 2006
From: RUSTARD, JOSEPH V.; WEIL, JACOB
To: COMPUWARE CORPORATION
Reel/Frame 017239/0251 →
First Lien Patent Security Agreement
Mar 13, 2015
From: COMPUWARE CORPORATION
To: JEFFERIES FINANCE, LLC
Reel/Frame 035200/0973 →
Second Lien Patent Security Agreement
Mar 13, 2015
From: COMPUWARE CORPORATION
To: JEFFERIES FINANCE, LLC
Reel/Frame 035201/0065 →
Assignment of Assignor's Interest
Apr 24, 2015
From: COMPUWARE CORPORATION
To: DYNATRACE LLC
Reel/Frame 035490/0955 →
Termination of Security Interest in Patents at Reel/Frame No. 035201/0065
Feb 14, 2018
From: JEFFERIES FINANCE LLC, AS COLLATERAL AGENT
To: COMPUWARE CORPORATION
Reel/Frame 045325/0384 →
Release of First Lien Patent Security Agreement Recorded at Reel\Frame 035200\0973 and 035200\0955
Aug 23, 2018
From: JEFFERIES FINANCE LLC
To: DYNATRACE LLC; COMPUWARE CORPORATION
Reel/Frame 046922/0886 →
First Lien Patent Security Agreement
Aug 24, 2018
From: DYNATRACE LLC
To: JEFFERIES FINANCE LLC
Reel/Frame 046923/0557 →
Second Lien Patent Security Agreement
Aug 24, 2018
From: DYNATRACE LLC
To: JEFFERIES FINANCE LLC
Reel/Frame 046923/0528 →
Release of Security Interest in Patent Collateral Recorded at R/F 46923/0528
Aug 6, 2019
From: JEFFERIES FINANCE LLC, COLLATERAL AGENT
To: DYNATRACE LLC
Reel/Frame 049966/0518 →
Release of Security Interest in Patents at R/F 046923/0557
Dec 5, 2022
From: JEFFERIES FINANCE LLC, AS COLLATERAL AGENT
To: DYNATRACE, LLC
Reel/Frame 062056/0562 →
Security Interest
Dec 16, 2022
From: DYNATRACE LLC
To: BMO HARRIS BANK N.A.
Reel/Frame 062142/0187 →