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

Assignor Name : BUTTERWORTH, IAN
Total Assignments: 11
Assignment: 1
Reel/Frame:035676/0188   Pages: 7
Recorded: 05/20/2015
Attorney Dkt #:M0656.70349US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/29/2015
2
Exec Dt:
04/27/2015
3
Exec Dt:
04/27/2015
4
Exec Dt:
05/05/2015
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14668945
Correspondence name and address
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 2
Reel/Frame:046719/0539   Pages: 7
Recorded: 08/28/2018
Attorney Dkt #:M0656.70349US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/29/2015
2
Exec Dt:
04/27/2015
3
Exec Dt:
04/27/2015
4
Exec Dt:
05/05/2015
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15834339
Correspondence name and address
EMILY J. GARDEL
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 3
Reel/Frame:051377/0493   Pages: 7
Recorded: 12/27/2019
Attorney Dkt #:M0656.70349US03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/27/2015
2
Exec Dt:
04/29/2015
3
Exec Dt:
04/27/2015
4
Exec Dt:
05/05/2015
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16672919
Correspondence name and address
EMILY J. GARDEL
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 4
Reel/Frame:055108/0236   Pages: 7
Recorded: 02/02/2021
Attorney Dkt #:M0656.70349US04
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/27/2015
2
Exec Dt:
04/29/2015
3
Exec Dt:
04/27/2015
4
Exec Dt:
05/05/2015
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17082130
Correspondence name and address
EMILY J. GARDEL
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 5
Reel/Frame:037283/0386   Pages: 8
Recorded: 12/14/2015
Attorney Dkt #:MITX-7533/02US 3172392364
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/08/2015
2
Exec Dt:
12/08/2015
3
Exec Dt:
12/09/2015
4
Exec Dt:
12/09/2015
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14951260
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE NW
PATENT GROUP
WASHINGTON, DC 20004-2400
Assignment: 6
Reel/Frame:047756/0323   Pages: 8
Recorded: 12/12/2018
Attorney Dkt #:MIT-18366
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2018
2
Exec Dt:
11/26/2018
3
Exec Dt:
11/21/2018
4
Exec Dt:
12/04/2018
5
Exec Dt:
12/03/2018
6
Exec Dt:
11/21/2018
Assignee
1
77 MASSACHUSETTS AVE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16162006
Correspondence name and address
SMITH BALUCH LLP
376 BOYLSTON ST.
SUITE 401
BOSTON, MA 02116
Assignment: 7
Reel/Frame:064385/0533   Pages: 8
Recorded: 07/26/2023
Attorney Dkt #:MIT-18366US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2018
2
Exec Dt:
11/26/2018
3
Exec Dt:
11/21/2018
4
Exec Dt:
04/12/2018
5
Exec Dt:
12/03/2018
6
Exec Dt:
11/21/2018
Assignee
1
77 MASSACHUSETTS AVE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17666461
Correspondence name and address
SMITH BALUCH LLP
376 BOYLSTON ST.
SUITE 401
BOSTON, MA 02116
Assignment: 8
Reel/Frame:053899/0746   Pages: 7
Recorded: 09/28/2020
Attorney Dkt #:MIT-21087US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/01/2020
Assignee
1
77 MASSACHUSETTS AVE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16882966
Correspondence name and address
HOLLY JOHNSON
376 BOYLSTON ST.
SUITE 401
BOSTON, MA 02116
Assignment: 9
Reel/Frame:058269/0319   Pages: 6
Recorded: 12/02/2021
Attorney Dkt #:MIT-21087US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/01/2020
Assignee
1
77 MASSACHUSETTS AVE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17516109
Correspondence name and address
SMITH BALUCH LLP
376 BOYLSTON ST.
SUITE 401
BOSTON, MA 02116
Assignment: 10
Reel/Frame:057306/0036   Pages: 6
Recorded: 08/27/2021
Attorney Dkt #:LEUKO-103J
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/14/2021
2
Exec Dt:
07/21/2021
3
Exec Dt:
07/16/2021
4
Exec Dt:
07/15/2021
Assignee
1
8 ST. MARY'S STREET, #613
BOSTON, MASSACHUSETTS 02215
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17331893
Correspondence name and address
IANDIORIO TESKA & COLEMAN
255 BEAR HILL ROAD
ATTN: ROY J. COLEMAN
WALTHAM, MA 02451
Assignment: 11
Reel/Frame:060683/0382   Pages: 9
Recorded: 08/01/2022
Attorney Dkt #:LEUKO-106J
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/28/2022
2
Exec Dt:
07/28/2022
3
Exec Dt:
07/28/2022
4
Exec Dt:
07/28/2022
5
Exec Dt:
07/28/2022
6
Exec Dt:
07/27/2022
7
Exec Dt:
07/27/2022
Assignee
1
8 ST. MARY'S ST. #613
BOSTON, MASSACHUSETTS 02215
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17878128
Correspondence name and address
IANDIORIO TESKA & COLEMAN, LLP
255 BEAR HILL ROAD
WALTHAM, MA 02451

Search Results as of: 05/27/2024 06:52 AM
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