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Patent Assignment Assignee Details
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Assignee Name : DUOLINGO, INC.
Total Assignments: 4
Assignment: 1
Reel/Frame:036489/0387   Pages: 12
Recorded: 09/03/2015
Attorney Dkt #:3537.002US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/31/2015
2
Exec Dt:
09/01/2015
3
Exec Dt:
09/02/2015
4
Exec Dt:
09/02/2015
5
Exec Dt:
09/02/2015
6
Exec Dt:
09/02/2015
7
Exec Dt:
08/28/2015
Assignee
1
5541 WALNUT STREET
3RD FLOOR
PITTSBURGH, PENNSYLVANIA 15232
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
14844352
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 2
Reel/Frame:036850/0205   Pages: 9
Recorded: 10/21/2015
Attorney Dkt #:3537.003US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/15/2015
2
Exec Dt:
10/21/2015
3
Exec Dt:
10/15/2015
4
Exec Dt:
10/15/2015
5
Exec Dt:
10/15/2015
Assignee
1
5541 WALNUT STREET
3RD FLOOR
PITTSBURGH, PENNSYLVANIA 15232
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
14919380
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 3
Reel/Frame:061400/0354   Pages: 6
Recorded: 10/12/2022
Attorney Dkt #:16365.002US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/12/2022
2
Exec Dt:
10/12/2022
3
Exec Dt:
10/12/2022
4
Exec Dt:
10/12/2022
Assignee
1
5900 PENN AVENUE
PITTSBURGH, PENNSYLVANIA 15206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17942626
Correspondence name and address
FISHERBROYLES LLP
701 FIFTH AVENUE
SUITE 4200
SEATTLE, WA 98104-5119
Assignment: 4
Reel/Frame:061455/0919   Pages: 6
Recorded: 10/18/2022
Attorney Dkt #:16365.001US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/18/2022
2
Exec Dt:
10/12/2022
3
Exec Dt:
10/18/2022
4
Exec Dt:
10/17/2022
Assignee
1
5900 PENN AVENUE
PITTSBURGH, PENNSYLVANIA 15206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17947459
Correspondence name and address
FISHERBROYLES LLP
701 FIFTH AVENUE
SUITE 4200
SEATTLE, WA 98104-5119

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