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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 : RATIONAL SOFTWARE CORPORATION
Total Assignments: 19
Assignment: 1
Reel/Frame:014363/0673   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6516315
NONE
09434895
Correspondence name and address
RITTER, LANG & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVENUE
SUITE D1
SARATOGA, CA 95070
Assignment: 2
Reel/Frame:014363/0739   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5754760
NONE
08655149
Correspondence name and address
RITTER, LANG & KAPLAN
12930 SARATOGA AE. SUITE D1
SARATOGA, CA 95070
Assignment: 3
Reel/Frame:014363/0761   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5574898
NONE
08001822
Correspondence name and address
RITTER, LANG & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVE., SUITE D1
SARATOGA, CA 95070
Assignment: 4
Reel/Frame:014363/0764   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6167534
NONE
08577278
Correspondence name and address
RITTER LANG & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVENUE
SUITE D1
SARATOGA, CA 95070
Assignment: 5
Reel/Frame:014363/0767   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5918004
NONE
08657106
Correspondence name and address
RITTER, LANG & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVE.
SUITE D1
SARATOGA, CA 95070
Assignment: 6
Reel/Frame:014369/0858   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6898783
NONE
09631318
Correspondence name and address
RITTER LAND & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVENUE
SUITE D1
SARATOGA, CA 95070
Assignment: 7
Reel/Frame:014369/0891   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6854089
NONE
09412403
Correspondence name and address
RITTER, LANG & KAPLAN
12930 SARATOGA AE. SUITE D1
SARATOGA, CA 95070
Assignment: 8
Reel/Frame:014369/0947   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6714958
NONE
09363087
Correspondence name and address
RITTER LANG & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVENUE
SUITE D1
SARATOGA, CA 95070
Assignment: 9
Reel/Frame:014369/0950   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6920634
NONE
09128394
Correspondence name and address
RITTER, LANG & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVENUE
SUITE D1
SARATOGA, CA 95070
Assignment: 10
Reel/Frame:014373/0164   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5675802
NONE
08414575
Correspondence name and address
RITTER, LANG & KAPLAN
12930 SARATOGA AE. SUITE D1
SARATOGA, CA 95070
Assignment: 11
Reel/Frame:014373/0247   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5193180
NONE
07718573
Correspondence name and address
RITTER, LANG & KAPLAN
12930 SARATOGA AE. SUITE D1
SARATOGA, CA 95070
Assignment: 12
Reel/Frame:014374/0141   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7171455
NONE
09643583
Correspondence name and address
RITTER, LANG & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVENUE
SUITE D1
SARATOGA, CA 95070
Assignment: 13
Reel/Frame:014374/0740   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6684388
NONE
09643527
Correspondence name and address
RITTER, LANG & KAPLAN LLP
12930 SARATOGA AVENUE, SUITE D1
SARATOGA, CA 95070
Assignment: 14
Reel/Frame:014374/0748   Pages: 3
Recorded: 08/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
IBM CORPORATION
NORTH CASTLE DRIVE
ARMONK, NEW YORK 10504-1785
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6853994
NONE
09651226
Correspondence name and address
RITTER, LANG & KAPLAN LLP
MICHAEL J. RITTER
12930 SARATOGA AVE., SUITE D1
SUITE D1
SARATOGA, CA 95070
Assignment: 15
Reel/Frame:024563/0221   Pages: 5
Recorded: 06/21/2010
Attorney Dkt #:CA920030502US2-US9
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5335344
NONE
07970315
 
5535329
NONE
08452452
 
6206584
NONE
08455821
 
5835701
NONE
08658910
 
6618824
NONE
09434203
 
7210118
US20040107217
10613516
Correspondence name and address
CAMBRIDGE IPLAW/IBM CORPORATION
5 TECHNOLOGY PARK DR.
WESTFORD, MA 01886-3141
Assignment: 16
Reel/Frame:024563/0226   Pages: 4
Recorded: 06/21/2010
Attorney Dkt #:CA920030522US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/30/2003
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5649200
NONE
08759838
Correspondence name and address
CAMBRIDGE IPLAW/IBM CORPORATION
5 TECHNOLOGY PARK DRIVE
WESTFORD, MA 01886-3141
Assignment: 17
Reel/Frame:017957/0860   Pages: 2
Recorded: 07/20/2006
Attorney Dkt #:CA920030505US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/20/2006
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6263457
NONE
09340862
Correspondence name and address
C. STEVEN KURLOWECZ
8051 CONGRESS AVENUE
BOCA RATON, FL 33487
Assignment: 18
Reel/Frame:017957/0862   Pages: 2
Recorded: 07/20/2006
Attorney Dkt #:CA920030505US4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/20/2006
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6634001
US20020049934
09907510
Correspondence name and address
C. STEVEN KURLOWECZ
8051 CONGRESS AVENUE
BOCA RATON, FL 33487
Assignment: 19
Reel/Frame:017968/0324   Pages: 2
Recorded: 07/20/2006
Attorney Dkt #:CA920030505US5
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RATIONAL SOFTWARE CORPORATION
Exec Dt:
07/20/2006
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7299455
US20040153997
10642387
Correspondence name and address
C. STEVEN KURLOWECZ
8051 CONGRESS AVENUE
BOCA RATON, FL 33487

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