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Patent Assignment Assignee Details
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Assignee Name : COSTAR CORPORATION
Total Assignments: 10
Assignment: 1
Reel/Frame:004649/0822   Pages: 3
Recorded: 11/17/1986
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE APR. 2, 1986
Assignor
1
DATA PACKAGING CORPORATION
Exec Dt:
04/02/1986
Assignee
1
COSTAR CORPORATION
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
3661250
NONE
05041222
 
3992689
NONE
05599631
 
4233586
NONE
06001596
 
4271963
NONE
06046636
 
4253129
NONE
06062139
 
4355340
NONE
06220911
 
4490764
NONE
06376685
Correspondence name and address
GEORGE L. GREENFIELD
201 DEVONSHIRE ST.
BOSTON, MA 02110
Assignment: 2
Reel/Frame:004620/0561   Pages: 2
Recorded: 10/23/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LYMAN, GEORGE F.
Exec Dt:
10/17/1986
2
MATHUS, GREGORY
Exec Dt:
10/17/1986
Assignee
1
COSTAR CORPORATION
205 BROADWAY
A CORP OF MA
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4683058
NONE
06841583
Correspondence name and address
THERESE A. HENDRICKS
WOLF, GREENFIELD & SACKS
201 DEVONSHIRE STREET
BOSTON, MA 02110
Assignment: 3
Reel/Frame:004625/0077   Pages: 2
Recorded: 10/28/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LYMAN, GEORGE
Exec Dt:
10/21/1986
2
LABRIOLA, ANTHONY
Exec Dt:
10/21/1986
Assignee
1
COSTAR CORPORATION
205 BROADWAY,
A MASSACHUSETTS CORP.
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5084246
NONE
06923906
Correspondence name and address
THERESE A. HENDRICKS
C/O WOLF, GREENFIELD & SACKS
201 DEVONSHIRE ST.
BOSTON, MA 02110
Assignment: 4
Reel/Frame:004868/0154   Pages: 2
Recorded: 04/28/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROOT, DAVID
Exec Dt:
04/27/1988
2
LYMAN, GEORGE
Exec Dt:
04/27/1988
Assignee
1
COSTAR CORPORATION
205 BROADWAY
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4895706
NONE
07187083
Correspondence name and address
THERESE A. HENDRICKS
C/O WOLF, GREENFIELD & SACKS
FEDERAL RESERVE PLAZA
600 ATLANTIC AVE.
BOSTON, MA 02210
Assignment: 5
Reel/Frame:006538/0506   Pages: 3
Recorded: 04/28/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROOT, DAVID
Exec Dt:
04/22/1993
2
LAWTON, LEWIS
Exec Dt:
04/22/1993
Assignee
1
COSTAR CORPORATION
ONE ALEWIFE CENTER
CAMBRIDGE, MASSACHUSETTS 02140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5516564
NONE
08054442
Correspondence name and address
ANTHONY J. JANIUK
C/O WOLF, GREENFIELD & SACKS, P.C.
FEDERAL RESERVE PLAZA
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 6
Reel/Frame:006750/0257   Pages: 3
Recorded: 10/26/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MATHUS, GREGORY
Exec Dt:
10/15/1993
Assignee
1
COSTAR CORPORATION
ONE ALEWIFE CENTER
CAMBRIDGE, MASSACHUSETTS 02140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5508005
NONE
08142520
Correspondence name and address
WOLF, GREENFIELD & SACKS, P.C.
GEORGE L. GREENFIELD
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 7
Reel/Frame:009057/0956   Pages: 3
Recorded: 03/17/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BLOCK, DAVID L.
Exec Dt:
03/09/1998
Assignee
1
COSTAR CORPORATION
599 W. PUTNAM AVENUE
GREENWICH, CONNECTICUT 06830
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6010156
NONE
08935453
Correspondence name and address
BAKER & BOTTS, L.L.P.
ANDREW T. BLOCK
30 ROCKEFELLER PLAZA - 44 FL.
NEW YORK, NY 10112
Assignment: 8
Reel/Frame:030275/0859   Pages: 5
Recorded: 04/24/2013
Attorney Dkt #:11-321-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLORANCE, ANDREW C.
Exec Dt:
06/22/2012
2
EVATT, BOB
Exec Dt:
06/22/2012
3
BOHL, SCOT
Exec Dt:
06/27/2012
4
MERRITT, JOHN
Exec Dt:
06/22/2012
Assignee
1
COSTAR CORPORATION
1331 L STREET, NW
WASHINGTON, DISTRICT OF COLUMBIA 20005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9009610
US20130332877
13491567
Correspondence name and address
MARC S. KAUFMAN, REED SMITH LLP
P.O. BOX 488
PITTSBURGH, PA 15230
Assignment: 9
Reel/Frame:035360/0320   Pages: 4
Recorded: 04/08/2015
Attorney Dkt #:11-321-US-D1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLORANCE, ANDREW C.
Exec Dt:
06/22/2012
2
EVATT, BOB
Exec Dt:
06/22/2012
3
BOHL, SCOT
Exec Dt:
06/27/2012
4
MERRITT, JOHN
Exec Dt:
06/22/2012
Assignee
1
COSTAR CORPORATION
1331 L STREET, NW
WASHINGTON, DISTRICT OF COLUMBIA 20005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150186805
14656582
Correspondence name and address
MARC S. KAUFMAN, REED SMITH LLP
P.O. BOX 488
PITTSBURGH, PA 15230
Assignment: 10
Reel/Frame:004704/0243   Pages: 1
Recorded: 04/30/1987
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE 4/02/86
Assignor
1
DATA PACKAGING CORPORATION
Exec Dt:
00/00/0000
Assignee
1
COSTAR CORPORATION
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4690757
NONE
06842494
Correspondence name and address
GEORGE L. GREENFIELD
C/0 WOLF, GREENFIELD & SACKS
201 DEVONSHIRE ST.
BOSTON, MA 02110

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