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Assignee Name : AVANT IMMUNOTHERAPEUTICS, INC.
Total Assignments: 28
Assignment: 1
Reel/Frame:010086/0348   Pages: 3
Recorded: 07/14/1999
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/21/1998
Assignee
1
119 FOURTH AVE.
NEEDHAM, MASSACHUSETTS 02494
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
07182275
 
NONE
07332865
 
NONE
07588128
 
NONE
07623849
 
NONE
07857022
 
NONE
07927099
 
NONE
07997266
 
NONE
08087676
 
NONE
08138825
 
NONE
08342285
 
NONE
08432483
 
NONE
08450274
 
NONE
08463959
 
NONE
08470652
 
NONE
08470867
 
NONE
08472038
 
NONE
08484094
 
NONE
08553339
 
NONE
08581604
 
NONE
08602761
 
NONE
08945289
 
NONE
09061542
 
NONE
09171969
 
NONE
09186827
Correspondence name and address
YANKWICH & ASSOCIATES
LEON R. YANKWICH
130 BISHOP ALLEN DRIVE
CAMBRIDGE, MA 02139
Assignment: 2
Reel/Frame:010238/0102   Pages: 3
Recorded: 09/15/1999
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/21/1998
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
07182275
 
NONE
07332865
 
NONE
07588128
 
NONE
07623849
 
NONE
07857022
 
NONE
07927099
 
NONE
07997266
 
NONE
08087676
 
NONE
08138825
 
NONE
08342285
 
NONE
08432483
 
NONE
08450274
 
NONE
08463959
 
NONE
08470652
 
NONE
08470867
 
NONE
08472038
 
NONE
08484094
 
NONE
08553339
 
NONE
08581604
 
NONE
08602761
 
NONE
08945289
 
NONE
09061542
 
NONE
09171969
 
NONE
09186827
Correspondence name and address
YANKWICH & ASSOCIATES
LEON R. YANKWICH
130 BISHOP ALLEN DRIVE
CAMBRIDGE, MASSACHUSETTS 02139
Assignment: 3
Reel/Frame:012211/0731   Pages: 3
Recorded: 10/01/2001
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/18/1998
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08286767
Correspondence name and address
NIXON PEABODY LLP
RONALD I. EISENSTEIN
101 FEDERAL STREET
BOSTON, MA 02110
Assignment: 4
Reel/Frame:010008/0401   Pages: 3
Recorded: 06/07/1999
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/30/1998
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08922970
Correspondence name and address
YANKWICH & ASSOCIATES
LEON R. YANKWICH
130 BISHOP ALLEN DRIVE
CAMBRIDGE, MA 02139
Assignment: 5
Reel/Frame:012059/0275   Pages: 4
Recorded: 08/06/2001
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/30/1998
2
Exec Dt:
12/30/1998
Assignee
1
119 4TH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08124816
Correspondence name and address
HOLLAND & KNIGHT LLP
PATREA L. PABST
1201 W PEACHTREE STREET, N.E.
ONE ATLANTIC CENTER, SUITE 2000
ATLANTA, GA 30309-3400
Assignment: 6
Reel/Frame:010479/0555   Pages: 4
Recorded: 12/13/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/23/1999
2
Exec Dt:
11/18/1999
3
Exec Dt:
11/18/1999
4
Exec Dt:
12/02/1999
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09426361
Correspondence name and address
CARELLA, BYRNE, BAIN, GILFILLAN, ET AL
RAYMOND J. LILLIE, ESQ.
6 BECKER FARM ROAD
ROSELAND, NEW JERSEY 07068
Assignment: 7
Reel/Frame:011985/0567   Pages: 3
Recorded: 09/21/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
04/13/2001
Assignee
1
119 FOURTH AVE.
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09523033
Correspondence name and address
YANKWICH & ASSOCIATES
LEON R. YANKWICH
130 BISHOP ALLEN DRIVE
CAMBRIDGE, MA 02139
Assignment: 8
Reel/Frame:011901/0711   Pages: 3
Recorded: 06/15/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/26/2001
2
Exec Dt:
05/12/2001
3
Exec Dt:
05/19/2001
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09660169
Correspondence name and address
NIXON PEABODY LLP
RONALD I. EISENSTEIN
101 FEDERAL STREET
BOSTON, MA 02110
Assignment: 9
Reel/Frame:012487/0545   Pages: 2
Recorded: 01/15/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
01/10/2002
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09147857
Correspondence name and address
CARELLA, BYRNE, BAIN, GILFILLAN, ET AL
ALAN J. GRANT, ESQ.
6 BECKER FARM ROAD
ROSELAND, NEW JERSEY 07068
Assignment: 10
Reel/Frame:013134/0090   Pages: 5
Recorded: 09/30/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/04/2002
2
Exec Dt:
09/25/2002
3
Exec Dt:
09/12/2002
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10479770
Correspondence name and address
YANKWICH & ASSOC.
LEON R. YANKWICH
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 11
Reel/Frame:013448/0646   Pages: 4
Recorded: 02/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
02/19/2003
Assignee
1
119 FOURTH AVE.
NEEDHAM, MASSACHUSETTS 02494-2725
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08785997
 
NONE
09386591
 
NONE
09387340
Correspondence name and address
YANKWICH & ASSOCIATES
LEON R. YANKWICH
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 12
Reel/Frame:013565/0246   Pages: 3
Recorded: 04/03/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/13/2003
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494-2725
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
10274719
 
NONE
10477014
Correspondence name and address
YANKWICH & ASSOCIATES
LEON R. YANKWICH
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 13
Reel/Frame:014271/0664   Pages: 4
Recorded: 01/20/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
01/05/2004
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494-2725
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08761769
 
NONE
09120970
 
NONE
10620777
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 14
Reel/Frame:015711/0239   Pages: 5
Recorded: 02/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
01/27/2005
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
09122299
 
NONE
09490090
 
NONE
10791033
 
NONE
10811262
Correspondence name and address
YANKWICH & ASSOCIATES, P.C.
LEON R. YANKWICH
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 15
Reel/Frame:016027/0182   Pages: 3
Recorded: 04/07/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/31/2005
2
Exec Dt:
03/10/2005
3
Exec Dt:
03/02/2005
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494-2725
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10581466
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 16
Reel/Frame:016097/0414   Pages: 2
Recorded: 06/07/2005
Attorney Dkt #:05-2-522
Conveyance: NOTICE OF EXCLUSIVE LICENSE
Assignor
1
Exec Dt:
05/27/2005
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08114114
Correspondence name and address
WOOD, HERRON & EVANS, LLP
2700 CAREW TOWER
441 VINE STREET
CINCINNATI, OH 45202
Assignment: 17
Reel/Frame:016775/0945   Pages: 4
Recorded: 09/12/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/10/2005
2
Exec Dt:
08/10/2005
3
Exec Dt:
08/10/2005
Assignee
1
119 FOURTH STREET
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11173310
Correspondence name and address
LEON R. YANKWICK
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 18
Reel/Frame:020345/0226   Pages: 5
Recorded: 01/09/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
10/13/2005
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10924574
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MASSACHUSETTS 02139
Assignment: 19
Reel/Frame:020599/0058   Pages: 5
Recorded: 03/04/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
10/13/2005
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
08829402
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, PC
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 20
Reel/Frame:020599/0063   Pages: 5
Recorded: 03/04/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
10/13/2005
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09560539
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 21
Reel/Frame:020599/0068   Pages: 5
Recorded: 03/04/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
10/13/2005
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09122441
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 22
Reel/Frame:017169/0168   Pages: 3
Recorded: 01/06/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/04/2006
2
Exec Dt:
01/04/2006
3
Exec Dt:
01/04/2006
Assignee
1
119 FOURTH STREET
NEEDHAM, MASSACHUSETTS 02494-2725
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11145783
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 23
Reel/Frame:018015/0565   Pages: 6
Recorded: 07/27/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/09/2006
Assignee
1
119 FOURTH STREET
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09721609
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MASSACHUSETTS 02139
Assignment: 24
Reel/Frame:018917/0423   Pages: 6
Recorded: 02/21/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/09/2006
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09721609
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MASSACHUSETTS 02139
Assignment: 25
Reel/Frame:020189/0339   Pages: 3
Recorded: 11/30/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/10/2007
2
Exec Dt:
10/10/2007
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12311962
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MA 02139
Assignment: 26
Reel/Frame:021925/0722   Pages: 4
Recorded: 11/03/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/05/2007
2
Exec Dt:
11/06/2007
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS USA 02494-2725
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11983039
Correspondence name and address
HELEN C. LOCKHART
WOLF, GREENFIELD & SACKS, P.C.
FEDERAL RESERVE PLAZA
600 ATLANTIC AVENUE
BOSTON, MA 02210-2206
Assignment: 27
Reel/Frame:021445/0633   Pages: 4
Recorded: 08/26/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/30/2008
2
Exec Dt:
06/13/2008
3
Exec Dt:
07/28/2008
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12451101
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MASSACHUSETTS 02139
Assignment: 28
Reel/Frame:023482/0050   Pages: 4
Recorded: 11/06/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/30/2008
2
Exec Dt:
06/13/2008
3
Exec Dt:
07/28/2008
Assignee
1
119 FOURTH AVENUE
NEEDHAM, MASSACHUSETTS 02494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12451101
Correspondence name and address
LEON R. YANKWICH
YANKWICH & ASSOCIATES, P.C.
201 BROADWAY
CAMBRIDGE, MASSACHUSETTS 02139

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