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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/13/2014
Application #:
13702881
Filing Dt:
02/20/2013
Publication #:
Pub Dt:
06/20/2013
Inventors:
Hans-Georg Lerchen, Beatrix Stelte-Ludwig, Sven Golfier, Joachim Schuhmacher et al
Title:
AURISTATIN DERIVATIVES AND USE THEREOF
Assignment: 1
Reel/Frame:
030595/0956Recorded: 06/12/2013Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/07/2012
Assignee:
21823 30TH DRIVE S.E.
BOTHELL, WASHINGTON 98021
Correspondent:
BUCHANAN INGERSOLL & ROONEY PC
POST OFFICE BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 2
Reel/Frame:
030595/0715Recorded: 06/12/2013Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
12/05/2012
Exec Dt:
12/05/2012
Exec Dt:
12/05/2012
Exec Dt:
12/04/2012
Exec Dt:
12/05/2012
Assignee:
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Correspondent:
BUCHANAN INGERSOLL & ROONEY PC
POST OFFICE BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 3
Reel/Frame:
055362/0182Recorded: 02/22/2021Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/06/2020
Assignee:
21823 30TH DRIVE SE
BOTHELL, WASHINGTON 98021
Correspondent:
SEAGEN INC.
21823 30TH DRIVE SE
BOTHELL, WA 98021

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