skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 5
Patent #:
9029406
Issue Dt:
05/12/2015
Application #:
14004699
Filing Dt:
11/19/2013
Publication #:
20140080763
Pub Dt:
03/20/2014
Inventors:
Hans-Georg Lerchen, Sherif El Sheikh, Beatrix Stelte-Ludwig, Joachim Schuhmacher et al
Title:
N-CARBOXYALKYLAURISTATINS AND USE THEREOF
Assignment: 1
Reel/Frame:
031191/0245Recorded: 09/12/2013Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
BAYER INTELLECTURAL PROPERTY GMBH
Exec Dt:
11/07/2012
Assignee:
SEATTLE GENETICS, INC.
28123 30TH DRIVE S.E.
BOTTHELL, WASHINGTON 98021
Correspondent:
BUCHANAN INGERSOLL & ROONEY
P.O. BOX 1404
ALEXANDRIA, VA 22314-1404
Assignment: 2
Reel/Frame:
031674/0992Recorded: 11/19/2013Pages: 5
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR NAME AND ASSIGNEE CITY ADDRESS PREVIOUSLY RECORDED ON REEL 013391 FRAME 0245. ASSIGNOR(S) HEREBY CONFIRMS THE BAYER INTELLECTUAL PROPERTY GMBH; ASSIGNEE CITY ADDRESS SHOULD READ: BOTHELL.
Assignor:
BAYER INTELLECTUAL PROPERTY GMBH
Exec Dt:
11/07/2012
Assignee:
SEATTLE GENETICS, INC.
28123 30TH DRIVE S.E.
BOTHELL, WASHINGTON 98021
Correspondent:
BUCHANAN INGERSOLL & ROONEY
P.O. BOX 1404
ALEXANDRIA, VA 22314-1404
Assignment: 3
Reel/Frame:
031191/0113Recorded: 09/12/2013Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LERCHEN, HANS-GEORG
Exec Dt:
12/07/2012
EL SHEIKH, SHERIF
Exec Dt:
12/09/2012
STELTE-LUDWIG, BEATRIX
Exec Dt:
12/07/2012
SCHUHMACHER, JOACHIM
Exec Dt:
12/10/2012
GNOTH, MARK
Exec Dt:
11/07/2012
Assignee:
BAYER INTELLECTURAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Correspondent:
BUCHANAN INGERSOLL & ROONEY
P.O. BOX 1404
ALEXANDRIA, VA 22314-1404
Assignment: 4
Reel/Frame:
031674/0931Recorded: 11/19/2013Pages: 8
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED ON REEL 031191 FRAME 0113. ASSIGNOR(S) HEREBY CONFIRMS THE BAYER INTELLECTUAL PROPERTY GMBH.
Assignors:
LERCHEN, HANS-GEORG
Exec Dt:
12/07/2012
EL SHEIKH, SHERIF
Exec Dt:
12/09/2012
STELTE-LUDWIG, BEATRIX
Exec Dt:
12/07/2012
SCHUHMACHER, JOACHIM
Exec Dt:
12/10/2012
GNOTH, MARK
Exec Dt:
11/07/2012
Assignee:
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Correspondent:
BUCHANAN INGERSOLL & ROONEY
P.O. BOX 1404
ALEXANDRIA, VA 22314-1404
Assignment: 5
Reel/Frame:
055362/0182Recorded: 02/22/2021Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
SEATTLE GENETICS, INC.
Exec Dt:
10/06/2020
Assignee:
SEAGEN INC.
21823 30TH DRIVE SE
BOTHELL, WASHINGTON 98021
Correspondent:
SEAGEN INC.
21823 30TH DRIVE SE
BOTHELL, WA 98021

Search Results as of: 05/03/2024 06:27 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT