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Patent Assignment Abstract of Title
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Total Assignments: 11
Patent #:
6418298
Issue Dt:
07/09/2002
Application #:
09599937
Filing Dt:
06/22/2000
Inventor:
Bruce Sonnenfeld
Title:
COMPUTER NETWORK BASED TESTING SYSTEM
Assignment: 1
Reel/Frame:
028550/0338Recorded: 07/13/2012Pages: 6
Conveyance:
RELEASE OF SECURITY INTEREST IN AND LIEN ON PATENTS
Assignor:
CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH (F/K/A CREDIT SUISSE, CAYMAN ISLANDS BRANCH)
Exec Dt:
03/09/2010
Assignees:
HMH PUBLISHING COMPANY LIMITED
222 BERKELEY STREET
BOSTON, MASSACHUSETTS 02116
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
222 BERKELEY STREET
BOSTON, MASSACHUSETTS 02116
HMH PUBLISHERS LLC
222 BERKELEY STREET
BOSTON, MASSACHUSETTS 02116
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
222 BERKELEY STREET
BOSTON, MASSACHUSETTS 02116
Correspondent:
MITCHEL R. CARBULLIDO
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064
Assignment: 2
Reel/Frame:
026417/0459Recorded: 06/09/2011Pages: 8
Conveyance:
SECURITY AGREEMENT
Assignors:
COGNITIVE CONCEPTS, INC.
Exec Dt:
05/26/2011
THE RIVERSIDE PUBLISHING COMPANY
Exec Dt:
05/26/2011
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
05/26/2011
Assignee:
THE BANK OF NEW YORK MELLON TRUST COMPANY, NA, AS TRUSTEE AND COLLATERAL AGENT
525 WILLIAM PENN PLACE, 38TH FLOOR
PITTSBURGH, PENNSYLVANIA 15259
Correspondent:
MICHAEL VIOLET
4400 EASTON COMMONS WAY, SUITE 125
CT CORPORATION
COLUMBUS, OH 43219
Assignment: 3
Reel/Frame:
028607/0367Recorded: 07/20/2012Pages: 6
Conveyance:
SECURITY AGREEMENT
Assignor:
THE RIVERSIDE PUBLISHING COMPANY
Exec Dt:
06/21/2012
Assignee:
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Correspondent:
MITCHEL R. CARBULLIDO
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064
Assignment: 4
Reel/Frame:
028607/0983Recorded: 07/20/2012Pages: 6
Conveyance:
SECURITY AGREEMENT
Assignor:
THE RIVERSIDE PUBLISHING COMPANY
Exec Dt:
06/21/2012
Assignee:
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Correspondent:
MITCHEL R. CARBULLIDO
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064
Assignment: 5
Reel/Frame:
028542/0420Recorded: 07/10/2012Pages: 8
Conveyance:
RELEASE OF SECURITY INTEREST IN AND LIEN ON PATENTS
Assignor:
THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Exec Dt:
06/22/2012
Assignees:
COGNITIVE CONCEPTS, INC.
222 BERKELEY STREET
BOSTON, MASSACHUSETTS 02116
THE RIVERSIDE PUBLISHING COMPANY
3800 GOLF ROAD, SUITE 100
ROLLING MEADOWS, ILLINOIS 60008
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
222 BERKELEY STREET
BOSTON, MASSACHUSETTS 02116
Correspondent:
MITCHEL R. CARBULLIDO
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064
Assignment: 6
Reel/Frame:
051186/0250Recorded: 12/04/2019Pages: 8
Conveyance:
PATENT SECURITY AGREEMENT (REVOLVING)
Assignors:
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
Exec Dt:
11/22/2019
HMH PUBLISHERS LLC
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN HARCOURT COMPANY
Exec Dt:
11/22/2019
GREENWOOD PUBLISHING GROUP, LLC
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
Exec Dt:
11/22/2019
Assignee:
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Correspondent:
SOPHIE ZANDER
599 LEXINGTON AVENUE
SHEARMAN & STERLING LLP
NEW YORK, NY 10022
Assignment: 7
Reel/Frame:
051186/0271Recorded: 12/04/2019Pages: 8
Conveyance:
PATENT SECURITY AGREEMENT (TERM)
Assignors:
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
Exec Dt:
11/22/2019
HMH PUBLISHERS LLC
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN HARCOURT COMPANY
Exec Dt:
11/22/2019
GREENWOOD PUBLISHING GROUP, LLC
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
Exec Dt:
11/22/2019
Assignee:
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Correspondent:
SOPHIE ZANDER
599 LEXINGTON AVENUE
SHEARMAN & STERLING LLP
NEW YORK, NY 10022
Assignment: 8
Reel/Frame:
051186/0284Recorded: 12/04/2019Pages: 8
Conveyance:
PATENT SECURITY AGREEMENT (SENIOR)
Assignors:
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
Exec Dt:
11/22/2019
HMH PUBLISHERS LLC
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN HARCOURT COMPANY
Exec Dt:
11/22/2019
GREENWOOD PUBLISHING GROUP, LLC
Exec Dt:
11/22/2019
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
Exec Dt:
11/22/2019
Assignee:
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR
NEW YORK, NEW YORK 10014
Correspondent:
SOPHIE ZANDER
599 LEXINGTON AVENUE
SHEARMAN & STERLING LLP
NEW YORK, NY 10022
Assignment: 9
Reel/Frame:
059545/0302Recorded: 04/08/2022Pages: 10
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
CITIBANK, N.A.
Exec Dt:
04/07/2022
Assignees:
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HMH PUBLISHERS LLC
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN HARCOURT COMPANY
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
GREENWOOD PUBLISHING GROUP, LLC
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
Correspondent:
SOPHIA ZANDER
599 LEXINGTON AVE
NEW YORK, NY 10022
Assignment: 10
Reel/Frame:
059545/0500Recorded: 04/08/2022Pages: 10
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
CITIBANK, N.A.
Exec Dt:
04/07/2022
Assignees:
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HMH PUBLISHERS LLC
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN HARCOURT COMPANY
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
GREENWOOD PUBLISHING GROUP, LLC
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
Correspondent:
SOPHIA ZANDER
599 LEXINGTON AVE
NEW YORK, NY 10022
Assignment: 11
Reel/Frame:
059545/0542Recorded: 04/08/2022Pages: 10
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
CITIBANK, N.A.
Exec Dt:
04/07/2022
Assignees:
HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HMH PUBLISHERS LLC
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN HARCOURT COMPANY
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
GREENWOOD PUBLISHING GROUP, LLC
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
HOUGHTON MIFFLIN COMPANY INTERNATIONAL, INC.
125 HIGH STREET
BOSTON, MASSACHUSETTS 02110
Correspondent:
SOPHIA ZANDER
599 LEXINGTON AVE
NEW YORK, NY 10022

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