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Patent Assignment Assignor Details
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Assignor Name : RISCHER, MATTHIAS
Total Assignments: 19
Assignment: 1
Reel/Frame:010114/0747   Pages: 3
Recorded: 07/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HETTCHE, HELMUT
Exec Dt:
09/08/1995
2
RISCHER, MATTHIAS
Exec Dt:
09/08/1995
3
SARLIKIOTIS, WERNER
Exec Dt:
09/08/1995
Assignee
1
ASTA MEDICA AKTIENGESELLSCHAFT
AN DER PIKARDIE 10
D-01277 DRESDEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5990152
NONE
08800239
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 2
Reel/Frame:012227/0628   Pages: 3
Recorded: 08/20/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HETTCHE, HELMUT
Exec Dt:
09/08/1995
2
RISCHER, MATTHIAS
Exec Dt:
09/08/1995
3
SARLIKIOTIS, WERNER
Exec Dt:
09/08/1995
Assignee
1
ASTA MEDICA AKTIENGESELLSHAFT
AN DER PIKARDIE 10
D-01277 DRESDEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6348490
NONE
09377741
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
ANN S. HOBBS
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 3
Reel/Frame:009134/0328   Pages: 3
Recorded: 04/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEISEL, PETER
Exec Dt:
02/07/1998
2
LANDGRAF, KARL-FRIEDRICH
Exec Dt:
02/07/1998
3
SCHAFER, JURGEN
Exec Dt:
02/07/1998
4
THIEL, WILFRIED
Exec Dt:
02/07/1998
5
RISCHER, MATTHIAS
Exec Dt:
03/02/1998
6
OLBRICH, ALFRED
Exec Dt:
03/06/1998
7
KUTSCHER, BERNHARD
Exec Dt:
02/27/1998
Assignee
1
ASTA MEDICAL AKTIENGESELLSCHAFT
AN DER PIKARDIE 10
D-01277 DRESDEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5914425
NONE
09004926
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
KEVIN E. JOYCE
1100 NEW YORK AVE., N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 4
Reel/Frame:009308/0906   Pages: 3
Recorded: 07/09/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEISEL, PETER
Exec Dt:
02/17/1998
2
LANDGRAF, KARL-FRIEDRICH
Exec Dt:
02/18/1998
3
SCHAFER, JURGEN
Exec Dt:
02/25/1998
4
THIEL, WILFRIED
Exec Dt:
02/18/1998
5
RISCHER, MATTHIAS
Exec Dt:
03/02/1998
6
OLBRICH, ALFRED
Exec Dt:
03/06/1998
7
KUTSCHER, BERNHARD
Exec Dt:
02/27/1998
Assignee
1
ASTA MEDICAL AKTIENGESELLSCHAFT
AN DER PIKARDIE 10
DRESDEN, GERMANY D-012
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5914425
NONE
09004926
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 5
Reel/Frame:009533/0787   Pages: 2
Recorded: 01/27/1999
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE ASSIGNEE, FILED ON 7/9/98, RECORDED ON REEL 9308, FRAME 0906. ASSIGNOR HEREBY CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
Assignors
1
MEISEL, PETER
Exec Dt:
02/17/1998
2
LANDGRAF, KARL-FRIEDRICH
Exec Dt:
02/18/1998
3
SCHAFER, JURGEN
Exec Dt:
02/25/1998
4
THIEL, WILFRIED
Exec Dt:
02/18/1998
5
RISCHER, MATTHIAS
Exec Dt:
03/02/1998
6
OLBRICH, ALFRED
Exec Dt:
03/06/1998
7
KUTSCHER, BERNHARD
Exec Dt:
02/27/1998
Assignee
1
ASTA MEDICA AKTIENGESELLSCHAFT
AN DER PIKARDIE 10
D-01277 DRESDEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5914425
NONE
09004926
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
KEVIN E. JOYCE
INTELLECTUAL PROPERTY GROUP, NINTH FLOOR
1100 NEW YORK AVENUE, N.W., EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 6
Reel/Frame:009562/0753   Pages: 3
Recorded: 10/29/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEISEL, PETER
Exec Dt:
02/17/1998
2
LANDGRAF, KARL-FRIEDRICH
Exec Dt:
02/18/1998
3
SCHAFER, JURGEN
Exec Dt:
02/25/1998
4
THIEL, WILFRIED
Exec Dt:
02/18/1998
5
RISCHER, MATTHIAS
Exec Dt:
03/02/1998
6
OLBRICH, ALFRED
Exec Dt:
03/06/1998
7
KUTSCHER, BERNHARD
Exec Dt:
02/27/1998
Assignee
1
ASTA MEDICA AKTIENGESELLSCHAFT
AN DER PIKARDIE 10
D-01277 DRESDEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6538151
NONE
09181671
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
ANN S. HOBBS
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 7
Reel/Frame:010329/0059   Pages: 3
Recorded: 01/27/1999
Conveyance: RE-RECORD TO CORRECT THE NUMBER OF MICROFILM PAGES FROM 2 TO 3 AT REEL 9533, FRAME 0787.
Assignors
1
MEISEL, PETER
Exec Dt:
02/17/1998
2
LANDGRAF, KARL-FRIEDRICH
Exec Dt:
02/18/1998
3
SCHAFER, JURGEN
Exec Dt:
02/25/1998
4
THIEL, WILFRIED
Exec Dt:
02/18/1998
5
RISCHER, MATTHIAS
Exec Dt:
03/02/1998
6
OLBRICH, ALFRED
Exec Dt:
03/06/1998
7
KUTSCHER, BERNHARD
Exec Dt:
02/27/1998
Assignee
1
ASTA MEDICA AKTIENGESELLSCHAFT
AN DER PIKARDIE 10
D-01277 DRESDEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5914425
NONE
09004926
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 8
Reel/Frame:009335/0032   Pages: 2
Recorded: 07/17/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEISSWENGER, THOMAS
Exec Dt:
06/08/1998
2
LABAN, GUNTER
Exec Dt:
06/08/1998
3
LANDGRAF, KARL-FRIEDRICH
Exec Dt:
06/08/1998
4
OESTREICH, EBERHARD
Exec Dt:
06/08/1998
5
RISCHER, MATTHIAS
Exec Dt:
06/12/1998
Assignee
1
ASTA MEDICA AKTIENGESELLSCHAFT
AN DER PIKARDIE 10
D-01277 DRESDEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5994393
NONE
09074645
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
KEVIN E. JOYCE
1100 NEW YORK AVE., N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 9
Reel/Frame:024573/0886   Pages: 5
Recorded: 06/22/2010
Attorney Dkt #:103832-418-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARLIKIOTIS, WERNER
Exec Dt:
09/20/2002
2
BAUER, HORST
Exec Dt:
09/19/2002
3
RISCHER, MATTHIAS
Exec Dt:
10/04/2002
4
ENGEL, JURGEN
Exec Dt:
10/07/2002
Assignee
1
ZENTARIS AG
WEISMULLERSTRASSE 45
FRANKFURT A.M., GERMANY D-60314
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7790686
US20070161571
11711235
Correspondence name and address
BETSY KINGSBURY DOWD
620 EIGHTH AVENUE
GOODWIN PROCTER LLP
NEW YORK, NY 10018
Assignment: 10
Reel/Frame:013460/0440   Pages: 4
Recorded: 10/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARLIKIOTIS, WERNER
Exec Dt:
09/20/2002
2
BAUR, HORST
Exec Dt:
09/19/2002
3
RISCHER, MATTHIAS
Exec Dt:
10/23/2002
4
ENGEL, JURGEN
Exec Dt:
10/17/2002
Assignee
1
ZENTARIS AG
WEISMULLERSTRABE 45
FRANKFURT A.M., GERMAN DEMOCRATIC REPUBLIC 60314
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7214662
US20030100509
10279625
Correspondence name and address
GOODWIN & PROCTOR LLP
GABRIEL P. KATONS
599 LEXINGTON AVENUE, 30TH FLOOR
NEW YORK, NY 10022
Assignment: 11
Reel/Frame:016305/0779   Pages: 6
Recorded: 06/06/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARLIKIOTIS, WERNER
Exec Dt:
05/16/2005
2
BAUER, HORST
Exec Dt:
05/11/2005
3
RISCHER, MATTHIAS
Exec Dt:
05/13/2005
4
ENGLE, JURGEN
Exec Dt:
05/13/2005
5
GUTHLEIN, FRANK
Exec Dt:
05/13/2005
6
DI STEFANO, DMINIQUE
Exec Dt:
05/13/2005
Assignee
1
ZENTARIS GMBH
WEISMULLERSTRASSE 45
D-60314, FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7214662
US20030100509
10279625
Correspondence name and address
GOODWIN PROTER LLP
EVA I. TAN
103 EISENHOWER PARKWAY
ROSELAND, NJ 07068
Assignment: 12
Reel/Frame:019043/0098   Pages: 6
Recorded: 02/27/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARLIKIOTIS, WERNER
Exec Dt:
05/16/2005
2
BAUER, HORST
Exec Dt:
05/11/2005
3
RISCHER, MATTHIAS
Exec Dt:
05/13/2005
4
ENGEL, JURGEN
Exec Dt:
05/13/2005
5
GUTHLEIN, FRANK
Exec Dt:
05/13/2005
6
DI STEFANO, DOMINIQUE
Exec Dt:
05/13/2005
Assignee
1
ZENTARIS GMBH
WEISMULLERSTRASSE 50
D-60314 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7214662
US20030100509
10279625
Correspondence name and address
RICHARD I. SAMUEL, ESQ.
GOODWIN PROCTER LLP
599 LEXINGTON AVENUE
NEW YORK, NY 10022
Assignment: 13
Reel/Frame:024536/0987   Pages: 7
Recorded: 06/15/2010
Attorney Dkt #:103832-418-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARLIKIOTIS, WERNER
Exec Dt:
05/16/2005
2
BAUER, HORST
Exec Dt:
05/11/2005
3
RISCHER, MATTHIAS
Exec Dt:
05/13/2005
4
ENGEL, JURGEN
Exec Dt:
05/13/2005
5
GUTHLEIN, FRANK
Exec Dt:
05/13/2005
6
DI STEFANO, DOMINIQUE
Exec Dt:
05/13/2005
Assignee
1
ZENTARIS GMBH
WEISMULLERSTRASSE 45
FRANKFURT, GERMANY D-60314
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7790686
US20070161571
11711235
Correspondence name and address
BETSY KINGSBURY DOWD
620 EIGHTH AVENUE
GOODWIN PROCTER LLP
NEW YORK, NY 10018
Assignment: 14
Reel/Frame:017644/0143   Pages: 3
Recorded: 03/06/2006
Attorney Dkt #:283439US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RISCHER, MATTHIAS
Exec Dt:
02/20/2006
2
MUELLER, HORST
Exec Dt:
02/20/2006
3
WERNER, KARL
Exec Dt:
02/20/2006
4
ENGEL, JUERGEN
Exec Dt:
02/22/2006
Assignee
1
ZENTARIS GMBH
WEISMUELLERSTRASSE 45
FRANKFURT, MAIN, GERMANY D-60314
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7871977
US20060135405
11304548
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:044824/0384   Pages: 29
Recorded: 11/28/2017
Attorney Dkt #:14025S-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACKAY, MAUREEN
Exec Dt:
08/15/2017
2
RISCHER, MATTHIAS
Exec Dt:
09/21/2017
3
MOHR, WOLFGANG
Exec Dt:
09/19/2017
4
KURZ, LENA
Exec Dt:
09/19/2017
5
LOSAN PHARMA GMBH
Exec Dt:
09/19/2017
6
SALY, ERIC
Exec Dt:
08/07/2017
Assignee
1
CYTEC INDUSTRIES INC.
5 GARRET MOUNTAIN PLAZA
WOODLAND PARK, NEW JERSEY 07424
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10022328
US20160317445
15046648
Correspondence name and address
CHARLES E. BELL
1937 WEST MAIN STREET
CYTEC INDUSTRIES INC.
STAMFORD, CT 06902
Assignment: 16
Reel/Frame:046448/0957   Pages: 23
Recorded: 06/28/2018
Attorney Dkt #:14025S-US-DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SALY, ERIC
Exec Dt:
08/07/2017
2
MACKAY, MAUREEN
Exec Dt:
08/15/2017
3
RISCHER, MATTHIAS
Exec Dt:
09/21/2017
4
MOHR, WOLFGANG
Exec Dt:
09/19/2017
5
KURZ, LENA
Exec Dt:
09/19/2017
6
LOSAN PHARMA GMBH
Exec Dt:
09/19/2017
Assignee
1
CYTEC INDUSTRIES INC.
504 CARNEGIE CENTER
PRINCETON, NEW JERSEY 08540
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180303756
16019845
Correspondence name and address
CHARLES E. BELL
CYTEC INDUSTRIES INC.
1937 WEST MAIN STREET
STAMFORD, CT 06902
Assignment: 17
Reel/Frame:047960/0798   Pages: 30
Recorded: 06/11/2018
Attorney Dkt #:14025S-US-NP
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS PREVIOUSLY RECORDED ON REEL 044824 FRAME 0384. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
MACKAY, MAUREEN
Exec Dt:
08/15/2017
2
RISCHER, MATTHIAS
Exec Dt:
09/21/2017
3
MOHR, WOLFGANG
Exec Dt:
09/19/2017
4
KURZ, LENA
Exec Dt:
09/19/2017
5
LOSAN PHARMA GMBH
Exec Dt:
09/19/2017
6
SALY, ERIC
Exec Dt:
08/07/2017
Assignee
1
CYTEC INDUSTRIES INC.
504 CARNEGIE CENTER
PRINCETON, NEW JERSEY 08540
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10022328
US20160317445
15046648
Correspondence name and address
CHARLES E. BELL
CYTEC INDUSTRIES INC.
1937 WEST MAIN STREET
STAMFORD, CT 06902
Assignment: 18
Reel/Frame:063314/0216   Pages: 4
Recorded: 04/13/2023
Attorney Dkt #:ALGXC05U1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSE, BIRGIT
Exec Dt:
01/25/2023
2
KOOPMANS, GUIDO
Exec Dt:
01/25/2023
3
LIEBICH, LENA
Exec Dt:
01/25/2023
4
BOGERSHAUSEN, ANSGAR
Exec Dt:
01/25/2023
5
KNEISEL, SANDRA
Exec Dt:
01/25/2023
6
HAGEDORN, MARTIN
Exec Dt:
01/25/2023
7
RISCHER, MATTHIAS
Exec Dt:
01/25/2023
Assignee
1
ALGIAX PHARMACEUTICALS GMBH
METTMANNER STR. 25
ERKRATH, GERMANY 40699
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230226007
18008421
Correspondence name and address
WAGENKNECHT IP LAW GROUP PC
11622 EL CAMINO REAL, STE. 100
SAN DIEGO, CA 92130
Assignment: 19
Reel/Frame:063598/0383   Pages: 3
Recorded: 05/10/2023
Attorney Dkt #:D4700-00529
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BÖGERSHAUSEN, ANSGAR
Exec Dt:
05/10/2023
2
LIEBICH, LENA
Exec Dt:
05/10/2023
3
RISCHER, MATTHIAS
Exec Dt:
05/10/2023
Assignee
1
ACOUSIA THERAPEUTICS GMBH
SINDELFINGER STRASSE 3
TUEBINGEN, GERMANY 72070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240009149
18252432
Correspondence name and address
DUANE MORRIS LLP
30 17TH SOUTH STREET
ATTN.: IP DOCKETING & JIAZHONG LUO
PHILADELPHIA, PA 19103

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