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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 : HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Total Assignments: 28
Assignment: 1
Reel/Frame:020353/0502   Pages: 7
Recorded: 01/11/2008
Attorney Dkt #:CRS1 B
Conveyance: SECURITY AGREEMENT
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
12/12/2007
Assignee
1
CREDIT SUISSE, CAYMAN ISLAND BRANCH, AS COLLATERAL AGENT
11 MADISON AVENUE
NEW YORK, NEW YORK 10010
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4674066
NONE
06835659
 
NONE
US20040034532
10219458
 
NONE
US20040073430
10267929
 
NONE
US20030180703
10353814
Correspondence name and address
IP RESEARCH PLUS, INC.
21 TADCASTER CIRCLE
ATTN: PENELOPE J.A. AGODOA
WALDORF, MD 20602
Assignment: 2
Reel/Frame:020353/0724   Pages: 8
Recorded: 01/14/2008
Attorney Dkt #:32572
Conveyance: SECURITY AGREEMENT
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
12/12/2007
Assignee
1
CREDIT SUISSE, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
11 MADISON AVENUE
NEW YORK, NEW YORK 10010
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4674066
NONE
06835659
 
NONE
US20040034532
10219458
 
NONE
US20040073430
10267929
 
NONE
US20030180703
10353814
Correspondence name and address
IP RESEARCH PLUS, INC.
21 TADCASTER CIRCLE
ATTN: PENELOPE J.A. AGODOA
WALDORF, MD 20602
Assignment: 3
Reel/Frame:026417/0459   Pages: 8
Recorded: 06/09/2011
Conveyance: SECURITY AGREEMENT
Assignors
1
COGNITIVE CONCEPTS, INC.
Exec Dt:
05/26/2011
2
THE RIVERSIDE PUBLISHING COMPANY
Exec Dt:
05/26/2011
3
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
05/26/2011
Assignee
1
THE BANK OF NEW YORK MELLON TRUST COMPANY, NA, AS TRUSTEE AND COLLATERAL AGENT
525 WILLIAM PENN PLACE, 38TH FLOOR
PITTSBURGH, PENNSYLVANIA 15259
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6112049
NONE
08955133
 
6146147
NONE
09039194
 
6299452
NONE
09350791
 
6511324
NONE
09414393
 
6418298
NONE
09599937
 
6755657
NONE
09710611
 
6585517
US20010049085
09910571
 
6435877
US20010046658
09910575
 
NONE
US20080102430
11853445
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
NONE
US20080102432
11853543
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
Correspondence name and address
MICHAEL VIOLET
4400 EASTON COMMONS WAY, SUITE 125
CT CORPORATION
COLUMBUS, OH 43219
Assignment: 4
Reel/Frame:028603/0916   Pages: 7
Recorded: 07/19/2012
Attorney Dkt #:19093-007
Conveyance: SECURITY AGREEMENT
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
06/21/2012
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
US20080102430
11853445
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
NONE
US20080102432
11853543
 
10861343
US20080108038
11853560
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
 
9368041
US20090226873
12470913
 
8128415
US20100055659
12551764
Correspondence name and address
MITCHEL R. CARBULLIDO
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064
Assignment: 5
Reel/Frame:028604/0365   Pages: 7
Recorded: 07/20/2012
Attorney Dkt #:19093-007
Conveyance: SECURITY AGREEMENT
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
06/21/2012
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
US20080102430
11853445
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
NONE
US20080102432
11853543
 
10861343
US20080108038
11853560
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
 
9368041
US20090226873
12470913
 
8128415
US20100055659
12551764
Correspondence name and address
MITCHEL R. CARBULLIDO
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064
Assignment: 6
Reel/Frame:029915/0661   Pages: 5
Recorded: 03/04/2013
Attorney Dkt #:35609/33
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (REVOLVING)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
01/25/2013
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8297984
US20120122068
13358956
Correspondence name and address
MICHAEL JOKIC
599 LEXINGTON AVENUE
SHEARMAN & STERLING LLP
NEW YORK, NY 10022
Assignment: 7
Reel/Frame:029915/0677   Pages: 5
Recorded: 03/04/2013
Attorney Dkt #:35609/33
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (TERM)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
01/25/2013
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8297984
US20120122068
13358956
Correspondence name and address
MICHAEL JOKIC
599 LEXINGTON AVENUE
SHEARMAN & STERLING LLP
NEW YORK, NY 10022
Assignment: 8
Reel/Frame:031341/0757   Pages: 3
Recorded: 10/03/2013
Attorney Dkt #:464.90.137
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
10/01/2013
Assignee
1
GREENWOOD PUBLISHING GROUP, INC. D/B/A HEINEMANN
361 HANOVER STREET
PORTSMOUTH, NEW HAMPSHIRE 03801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6299452
NONE
09350791
Correspondence name and address
MICHAEL J. BEVILACQUA, ESQ.
WILMER CUTLER PICKERING HALE AND DORRLLP
60 STATE STREET
BOSTON, MA 02109
Assignment: 9
Reel/Frame:036827/0986   Pages: 6
Recorded: 10/09/2015
Attorney Dkt #:35609-33
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (TERM)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
10/07/2015
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9111455
US20080102431
11853495
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 10
Reel/Frame:036828/0008   Pages: 6
Recorded: 10/09/2015
Attorney Dkt #:35609-33
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (REVOLVING)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
10/07/2015
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9111455
US20080102431
11853495
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 11
Reel/Frame:045210/0487   Pages: 5
Recorded: 01/31/2018
Attorney Dkt #:35609-00033
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (REVOLVER)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
07/15/2016
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9355570
US20080096176
11877428
 
9368041
US20090226873
12470913
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 12
Reel/Frame:045210/0498   Pages: 5
Recorded: 01/31/2018
Attorney Dkt #:35609-00033
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (TERM)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
07/15/2016
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9355570
US20080096176
11877428
 
9368041
US20090226873
12470913
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 13
Reel/Frame:045210/0438   Pages: 6
Recorded: 01/31/2018
Attorney Dkt #:35609-00033
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (REVOLVER)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
10/18/2016
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9390629
US20080102435
11853608
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 14
Reel/Frame:045210/0451   Pages: 6
Recorded: 01/31/2018
Attorney Dkt #:35609-00033
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (TERM)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
10/18/2016
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9390629
US20080102435
11853608
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 15
Reel/Frame:045195/0563   Pages: 5
Recorded: 01/30/2018
Attorney Dkt #:35609-00033
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (TERM)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
01/20/2017
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9536441
US20080254435
11877351
 
9536442
US20080102436
11877385
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 16
Reel/Frame:045195/0576   Pages: 5
Recorded: 01/30/2018
Attorney Dkt #:35609-00033
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (REVOLVER)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
01/20/2017
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9536441
US20080254435
11877351
 
9536442
US20080102436
11877385
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 17
Reel/Frame:045196/0042   Pages: 5
Recorded: 01/30/2018
Attorney Dkt #:35609-00033
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (TERM)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
10/16/2017
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9672753
US20160012744
14859600
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 18
Reel/Frame:045196/0056   Pages: 5
Recorded: 01/30/2018
Attorney Dkt #:35609-00033
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (REVOLVER)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
10/16/2017
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9672753
US20160012744
14859600
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 19
Reel/Frame:046183/0742   Pages: 5
Recorded: 05/17/2018
Attorney Dkt #:35613/33
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (TERM)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
04/12/2018
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9892650
US20080096178
11853619
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 20
Reel/Frame:046186/0925   Pages: 5
Recorded: 05/17/2018
Attorney Dkt #:35609/33
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (REVOLVER)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
04/12/2018
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9892650
US20080096178
11853619
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 21
Reel/Frame:049122/0356   Pages: 5
Recorded: 05/08/2019
Attorney Dkt #:35609/33
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (TERM)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
04/17/2019
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10127826
US20120264100
13529015
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 22
Reel/Frame:049122/0363   Pages: 5
Recorded: 05/08/2019
Attorney Dkt #:35609/33
Conveyance: PATENT SECURITY AGREEMENT SUPPLEMENT (REVOLVER)
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
04/17/2019
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10127826
US20120264100
13529015
Correspondence name and address
BENJAMIN PETERSEN
1460 EL CAMINO REAL, 2ND FLOOR
SHEARMAN & STERLING LLP
MENLO PARK, CA 94025
Assignment: 23
Reel/Frame:051186/0250   Pages: 8
Recorded: 12/04/2019
Attorney Dkt #:35609/33
Conveyance: PATENT SECURITY AGREEMENT (REVOLVING)
Assignors
1
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
Exec Dt:
11/22/2019
2
HMH PUBLISHERS LLC
Exec Dt:
11/22/2019
3
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
11/22/2019
4
HOUGHTON MIFFLIN HARCOURT COMPANY
Exec Dt:
11/22/2019
5
GREENWOOD PUBLISHING GROUP, LLC
Exec Dt:
11/22/2019
6
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
Exec Dt:
11/22/2019
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6252604
NONE
08783290
 
6112049
NONE
08955133
 
6146147
NONE
09039194
 
6299452
NONE
09350791
 
6511324
NONE
09414393
 
6418298
NONE
09599937
 
6755657
NONE
09710611
 
6585517
US20010049085
09910571
 
6435877
US20010046658
09910575
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
10861343
US20080108038
11853560
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
 
9368041
US20090226873
12470913
 
8128415
US20100055659
12551764
 
8297984
US20120122068
13358956
 
10127826
US20120264100
13529015
 
9672753
US20160012744
14859600
Correspondence name and address
SOPHIE ZANDER
599 LEXINGTON AVENUE
SHEARMAN & STERLING LLP
NEW YORK, NY 10022
Assignment: 24
Reel/Frame:051186/0271   Pages: 8
Recorded: 12/04/2019
Attorney Dkt #:35609/33
Conveyance: PATENT SECURITY AGREEMENT (TERM)
Assignors
1
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
Exec Dt:
11/22/2019
2
HMH PUBLISHERS LLC
Exec Dt:
11/22/2019
3
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
11/22/2019
4
HOUGHTON MIFFLIN HARCOURT COMPANY
Exec Dt:
11/22/2019
5
GREENWOOD PUBLISHING GROUP, LLC
Exec Dt:
11/22/2019
6
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
Exec Dt:
11/22/2019
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6252604
NONE
08783290
 
6112049
NONE
08955133
 
6146147
NONE
09039194
 
6299452
NONE
09350791
 
6511324
NONE
09414393
 
6418298
NONE
09599937
 
6755657
NONE
09710611
 
6585517
US20010049085
09910571
 
6435877
US20010046658
09910575
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
10861343
US20080108038
11853560
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
 
9368041
US20090226873
12470913
 
8128415
US20100055659
12551764
 
8297984
US20120122068
13358956
 
10127826
US20120264100
13529015
 
9672753
US20160012744
14859600
Correspondence name and address
SOPHIE ZANDER
599 LEXINGTON AVENUE
SHEARMAN & STERLING LLP
NEW YORK, NY 10022
Assignment: 25
Reel/Frame:051186/0284   Pages: 8
Recorded: 12/04/2019
Attorney Dkt #:35609/33
Conveyance: PATENT SECURITY AGREEMENT (SENIOR)
Assignors
1
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
Exec Dt:
11/22/2019
2
HMH PUBLISHERS LLC
Exec Dt:
11/22/2019
3
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
11/22/2019
4
HOUGHTON MIFFLIN HARCOURT COMPANY
Exec Dt:
11/22/2019
5
GREENWOOD PUBLISHING GROUP, LLC
Exec Dt:
11/22/2019
6
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
Exec Dt:
11/22/2019
Assignee
1
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6252604
NONE
08783290
 
6112049
NONE
08955133
 
6146147
NONE
09039194
 
6299452
NONE
09350791
 
6511324
NONE
09414393
 
6418298
NONE
09599937
 
6755657
NONE
09710611
 
6585517
US20010049085
09910571
 
6435877
US20010046658
09910575
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
10861343
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9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
 
9368041
US20090226873
12470913
 
8128415
US20100055659
12551764
 
8297984
US20120122068
13358956
 
10127826
US20120264100
13529015
 
9672753
US20160012744
14859600
Correspondence name and address
SOPHIE ZANDER
599 LEXINGTON AVENUE
SHEARMAN & STERLING LLP
NEW YORK, NY 10022
Assignment: 26
Reel/Frame:059630/0765   Pages: 9
Recorded: 04/07/2022
Conveyance: FIRST LIEN SECURITY AGREEMENT
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
04/07/2022
Assignee
1
BANK OF AMERICA, N.A.
GATEWAY VILLAGE, 900 BUILDING
NC1-026-06-09 (MACLEGAL), 900 W TRADE ST.
CHARLOTTE, NORTH CAROLINA 28255
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
10861343
US20080108038
11853560
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
 
9368041
US20090226873
12470913
 
8128415
US20100055659
12551764
 
8297984
US20120122068
13358956
 
10127826
US20120264100
13529015
 
9672753
US20160012744
14859600
Correspondence name and address
CT CORPORATION
4400 EASTON COMMONS WAY
SUITE 125
COLUMBUS, OH 43219
Assignment: 27
Reel/Frame:059598/0547   Pages: 9
Recorded: 04/07/2022
Conveyance: SECOND LIEN SECURITY AGREEMENT
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
04/07/2022
Assignee
1
JPMORGAN CHASE BANK, N.A.
10 S DEARBORN, IL1-1145
CHICAGO, ILLINOIS 60603
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
10861343
US20080108038
11853560
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
 
9368041
US20090226873
12470913
 
8128415
US20100055659
12551764
 
8297984
US20120122068
13358956
 
10127826
US20120264100
13529015
 
9672753
US20160012744
14859600
Correspondence name and address
CT CORPORATION
4400 EASTON COMMONS WAY
SUITE 125
COLUMBUS, OH 43219
Assignment: 28
Reel/Frame:063514/0823   Pages: 10
Recorded: 05/02/2023
Conveyance: FIRST LIEN SECURITY AGREEMENT
Assignor
1
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
04/28/2023
Assignee
1
BANK OF AMERICA, N.A.
GATEWAY VILLAGE, 900 BUILDING
NC1-026-06-09 (MACLEGAL), 900 W TRADE ST.
CHARLOTTE, NORTH CAROLINA 28255
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
7886029
US20080133964
11853463
 
9230445
US20080104618
11853478
 
9111455
US20080102431
11853495
 
10861343
US20080108038
11853560
 
9111456
US20080102433
11853584
 
9142136
US20080102434
11853601
 
9390629
US20080102435
11853608
 
9892650
US20080096178
11853619
 
9536441
US20080254435
11877351
 
7713065
US20080108040
11877372
 
9536442
US20080102436
11877385
 
9355570
US20080096176
11877428
 
8219021
US20080102437
11877440
 
9396664
US20080108039
11877460
 
9396665
US20090233264
12470840
 
9368041
US20090226873
12470913
 
8128415
US20100055659
12551764
 
8297984
US20120122068
13358956
 
10127826
US20120264100
13529015
 
9672753
US20160012744
14859600
Correspondence name and address
CT CORPORATION
4400 EASTON COMMONS WAY
SUITE 125
COLUMBUS, OH 43219

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