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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : SIEGEL, DONALD L.
Total Assignments: 13
Assignment: 1
Reel/Frame:008859/0250   Pages: 3
Recorded: 12/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
07/10/1997
Assignee
1
3700 MARKET STREET, SUITE 300
PHILADELPHIA, PENNSYLVANIA 19104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08884046
Correspondence name and address
PANITCH SCHWARZE JACOBS & NADEL, P.C.
KATHRYN DOYLE LEARY, PH.D.J.D.
ONE COMMERCE SQUARE
2005 MARKET STREET, 22ND FLOOR
PHILADELPHIA, PENNSYLVANIA 19103-1284
Assignment: 2
Reel/Frame:008884/0541   Pages: 3
Recorded: 12/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
07/10/1997
Assignee
1
SUITE 300
3700 MARKET ST.
PHILADELPHIA, PENNSYLVANIA 19104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08884045
Correspondence name and address
PANITCH SCHWARZE JACOBS & NADEL, P.C.
KATHRYN DOYLE LEARY
ONE COMMERCE SQUARE
2005 MARKET STREET, 22ND FLOOR
PHILADELPHIA, PA 19103-7086
Assignment: 3
Reel/Frame:009974/0529   Pages: 3
Recorded: 05/17/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
02/08/1999
Assignee
1
SUITE 300
3700 MARKET STREET
PHILADELPHIA, PENNSYLVANIA 19104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09240274
Correspondence name and address
PANITCH SCHWARZE JACOBS, ET AL.
GARY D. COLBY, PH.D., J.D.
ONE COMMERCE SQUARE
2005 MARKET STREET - 22ND FL.
PHILADELPHIA, PA 19103-7086
Assignment: 4
Reel/Frame:016569/0903   Pages: 3
Recorded: 05/16/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
04/25/2005
Assignee
1
3160 CHESTNUT STREET
PHILADELPHIA, PENNSYLVANIA 19103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11074542
Correspondence name and address
KATHRYN DOYLE
BRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
18TH & CHERRY STREETS
PHILADELPHIA, PA 19103
Assignment: 5
Reel/Frame:016569/0934   Pages: 3
Recorded: 05/16/2005
Attorney Dkt #:53893-5050CT1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
04/25/2005
Assignee
1
3160 CHESTNUT STREET
PHILADELPHIA, PENNSYLVANIA 19103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11021715
Correspondence name and address
KATHRYN DOYLE
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
18TH & CHERRY STREETS
PHILADELPHIA, PA 19103
Assignment: 6
Reel/Frame:023024/0177   Pages: 3
Recorded: 07/29/2009
Attorney Dkt #:46483-5081US (424114)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/25/2008
Assignee
1
3160 CHESTNUT STREET
SUITE 200
PHILADELPHIA, PENNSYLVANIA 19103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12085618
Correspondence name and address
DARRYL PRATCHER, DRINKER BIDDLE REATH
ONE LOGAN SQUARE
18TH AND CHERRY STREETS
PHILADELPHIA, PA 19103-6996
Assignment: 7
Reel/Frame:025428/0919   Pages: 5
Recorded: 11/29/2010
Attorney Dkt #:46483-5119US (439887)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/23/2009
2
Exec Dt:
07/28/2009
Assignee
1
3160 CHESTNUT STREET
SUITE 200
PHILADELPHIA, PENNSYLVANIA 19104
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
12522526
 
12522526
Correspondence name and address
DARRYL PRATCHER, RIVERSIDE LAW, LLP
300 FOUR FALLS CORPORATE CENTER, STE 710
300 CONSHOHOCKEN STATE ROAD
WEST CONSHOHOCKEN, PA 19428
Assignment: 8
Reel/Frame:023596/0835   Pages: 5
Recorded: 12/02/2009
Attorney Dkt #:46483-5131US (439888)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/25/2009
2
Exec Dt:
08/25/2009
3
Exec Dt:
08/26/2009
Assignee
1
3160 CHESTNUT STREET
SUITE 200
PHILADELPHIA, PENNSYLVANIA 19104
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
12525269
 
12525269
Correspondence name and address
DARRYL PRATCHER, DRINKER BIDDLE REATH
ONE LOGAN SQUARE
18TH AND CHERRY STREETS
PHILADELPHIA, PA 19103-6996
Assignment: 9
Reel/Frame:025513/0585   Pages: 7
Recorded: 12/16/2010
Attorney Dkt #:46483-5131-01US (446776)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/19/2010
2
Exec Dt:
01/19/2010
3
Exec Dt:
01/19/2010
4
Exec Dt:
01/19/2010
5
Exec Dt:
01/05/2010
Assignee
1
3160 CHESTNUT STREET
SUITE 200
PHILADELPHIA, PENNSYLVANIA 19104
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
12666265
 
12666265
Correspondence name and address
DARRYL PRATCHER, RIVERSIDE LAW, LLP
300 FOUR FALLS CORPORATE CENTER, STE 710
300 CONSHOHOCKEN STATE ROAD
WEST CONSHOHOCKEN, PA 19428
Assignment: 10
Reel/Frame:066963/0513   Pages: 6
Recorded: 04/01/2024
Attorney Dkt #:046483-7023US1/7023US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/26/2014
2
Exec Dt:
09/02/2014
3
Exec Dt:
09/09/2014
Assignee
1
3600 CIVIC CENTER BOULEVARD, 9TH FLOOR
PHILADELPHIA, PENNSYLVANIA 19104
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
15503971
 
NONE
15503971
 
17078903
Correspondence name and address
LISA R SAPOVITS
SAUL EWING LLP
1200 LIBERTY RIDGE DRIVE, SUITE 200
WAYNE, PA 19087-5569
Assignment: 11
Reel/Frame:048627/0349   Pages: 14
Recorded: 03/18/2019
Attorney Dkt #:P-73504-US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/26/2017
2
Exec Dt:
09/19/2017
3
Exec Dt:
03/31/2017
4
Exec Dt:
06/07/2017
Assignee
1
3160 CHESTNUT STREET
PHILADELPHIA, PENNSYLVANIA 19104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16231876
Correspondence name and address
PEARL COHEN ZEDEK LATZER BARATZ LLP
1500 BROADWAY
12TH FLOOR
NEW YORK, NY 10036
Assignment: 12
Reel/Frame:052860/0207   Pages: 8
Recorded: 06/07/2020
Attorney Dkt #:UPN-17-8117US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/26/2018
2
Exec Dt:
01/26/2018
3
Exec Dt:
01/26/2018
4
Exec Dt:
01/26/2018
Assignee
1
3600 CIVIC CENTER BLVD.
9TH FLOOR
PHILADELPHIA, PENNSYLVANIA 19104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16768822
Correspondence name and address
HOWSON & HOWSON LLP
325 SENTRY PARKWAY EAST
FIVE SENTRY EAST, SUITE 160
BLUE BELL, PA 19422
Assignment: 13
Reel/Frame:057571/0264   Pages: 5
Recorded: 09/23/2021
Attorney Dkt #:046483-7062WO1 PENN
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/04/2021
2
Exec Dt:
08/06/2021
Assignee
1
3600 CIVIC CENTER BOULEVARD, 9TH FLOOR
PHILADELPHIA, PENNSYLVANIA 19104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17037203
Correspondence name and address
LISA SAPOVITS, SAUL EWING ARNSTEIN & LEHR LLP
CENTRE SQUARE WEST
1500 MARKET STREET, 38TH FLOOR
PHILADELPHIA, PA 19102

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