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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 : STEFANIDAKIS, MICHAEL
Total Assignments: 13
Assignment: 1
Reel/Frame:018628/0473   Pages: 3
Recorded: 12/13/2006
Attorney Dkt #:0933-0260PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/17/2006
2
Exec Dt:
02/17/2006
Assignee
1
VIINKINKAARI 4 C, FI-000790
HELSINKI, FINLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10561272
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100 EAST
FALLS CHURCH, VA 22040
Assignment: 2
Reel/Frame:019073/0685   Pages: 4
Recorded: 03/27/2007
Attorney Dkt #:0933-0260PUS1
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS ZIP CODE PREVIOUSLY RECORDED AT REEL 010628 FRAME 0473. ASSIGNOR CONFIRMS THE ASSIGNMENT.
Assignors
1
Exec Dt:
02/17/2006
2
Exec Dt:
02/17/2006
Assignee
1
VIIKLNKAARI 4 C
HELSINKI, FINLAND FIN-00790
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10561272
Correspondence name and address
GERALD M. MURPHY, JR.
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100 EAST
P.O. BOX 747
FALLS CHURCH, CA 22040-0747
Assignment: 3
Reel/Frame:033252/0655   Pages: 8
Recorded: 07/07/2014
Attorney Dkt #:PAT054850-US-NP/PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/24/2014
2
Exec Dt:
06/25/2014
3
Exec Dt:
06/24/2014
4
Exec Dt:
06/30/2014
5
Exec Dt:
06/24/2014
6
Exec Dt:
06/24/2014
Assignee
1
250 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
13716526
 
14309330
Correspondence name and address
ROBERT SWEENEY
220 MASSACHUSETTS AVENUE
CAMBRIDGE, MA 02139
Assignment: 4
Reel/Frame:044328/0598   Pages: 11
Recorded: 12/07/2017
Attorney Dkt #:118945-8002.US03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/27/2017
2
Exec Dt:
09/20/2017
3
Exec Dt:
09/26/2017
4
Exec Dt:
09/27/2017
5
Exec Dt:
09/27/2017
Assignee
1
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15667603
Correspondence name and address
PERKINS COIE LLP - LOS GENERAL
POST OFFICE BOX 1247
SEATTLE, WA 98111-1247
Assignment: 5
Reel/Frame:062925/0015   Pages: 9
Recorded: 03/08/2023
Attorney Dkt #:118945.8012.US06
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/27/2017
2
Exec Dt:
09/20/2017
3
Exec Dt:
09/27/2017
Assignee
1
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
18161806
Correspondence name and address
PERKINS COIE LLP
P.O. BOX 1247
PATENT - LA
SEATTLE, WA 98111-1247
Assignment: 6
Reel/Frame:047233/0285   Pages: 10
Recorded: 10/19/2018
Attorney Dkt #:118945-8002.US05
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/13/2018
2
Exec Dt:
09/21/2018
3
Exec Dt:
09/08/2018
4
Exec Dt:
08/17/2018
5
Exec Dt:
08/17/2018
Assignee
1
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16053763
Correspondence name and address
PERKINS COIE LLP
P.O. BOX 1247
SEATTLE, WA 98111-1247
Assignment: 7
Reel/Frame:058816/0315   Pages: 10
Recorded: 01/28/2022
Attorney Dkt #:118945-8002.US10
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/13/2018
2
Exec Dt:
09/21/2018
3
Exec Dt:
09/08/2018
4
Exec Dt:
08/17/2018
5
Exec Dt:
08/17/2018
Assignee
1
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17450544
Correspondence name and address
PERKINS COIE LLP
P.O. BOX 1247
PATENT - LA
SEATTLE, WA 98111-1247
Assignment: 8
Reel/Frame:050666/0853   Pages: 9
Recorded: 10/08/2019
Attorney Dkt #:118945-8012.US05
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE 3RD INVENTOR ADDED PREVIOUSLY RECORDED AT REEL: 49424 FRAME: 845. ASSIGNOR(S) HEREBY CONFIRMS THE ASSINGMENT.
Assignors
1
Exec Dt:
04/25/2019
2
Exec Dt:
06/05/2019
3
Exec Dt:
05/17/2019
Assignee
1
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16322922
Correspondence name and address
PATRICK MORRIS
PO BOX 1247
SEATTLE, WA 98111-1247
Assignment: 9
Reel/Frame:057519/0498   Pages: 20
Recorded: 09/17/2021
Attorney Dkt #:PAT058888-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/21/2020
2
Exec Dt:
09/21/2020
3
Exec Dt:
09/16/2020
Assignee
1
250 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17375860
Correspondence name and address
SAFIYA WATSON
700 MAIN STREET
4TH FLOOR
CAMBRIDGE, MA 02139
Assignment: 10
Reel/Frame:061406/0193   Pages: 20
Recorded: 10/13/2022
Attorney Dkt #:PAT058888-US-CNT/DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/21/2020
2
Exec Dt:
09/21/2020
3
Exec Dt:
09/16/2020
Assignee
1
250 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
17809941
 
NONE
17809943
Correspondence name and address
SAFIYA WATSON
700 MAIN STREET
4TH FLOOR
CAMBRIDGE, MA 02139
Assignment: 11
Reel/Frame:056807/0519   Pages: 11
Recorded: 07/09/2021
Attorney Dkt #:118945-8002.US09
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/07/2021
2
Exec Dt:
06/03/2021
3
Exec Dt:
05/06/2021
4
Exec Dt:
05/03/2021
5
Exec Dt:
04/30/2021
Assignee
1
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17165821
Correspondence name and address
PERKINS COIE LLP
P.O. BOX 1247
PATENT - LA
SEATTLE, WA 98111-1247
Assignment: 12
Reel/Frame:057520/0045   Pages: 20
Recorded: 09/17/2021
Attorney Dkt #:PAT058888-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/07/2021
2
Exec Dt:
05/18/2021
Assignee
1
250 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17375860
Correspondence name and address
SAFIYA WATSON
700 MAIN STREET
4TH FLOOR
CAMBRIDGE, MA 02139
Assignment: 13
Reel/Frame:061408/0087   Pages: 20
Recorded: 10/13/2022
Attorney Dkt #:PAT058888-US-CNT/DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/07/2021
2
Exec Dt:
05/18/2021
Assignee
1
250 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
17809941
 
NONE
17809943
Correspondence name and address
SAFIYA WATSON
700 MAIN STREET
4TH FLOOR
CAMBRIDGE, MA 02139

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