Patent Assignment
Reel/Frame 023937/0543
Change of Name
Recorded: 2010-02-16
Pages: 10
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Assignor
ENZON, INC.
Executed: 2006-05-18
Assignee
ENZON PHARMACEUTICALS, INC.
685 ROUTE 202/206, BRIDGEWATER, NEW JERSEY, 08807
Covered Properties
(3)
New Process for Preparing Lipid Microparticles
Patent:
5,100,591 →
Application:
07/582,053 →
Methods of Preparing Low-Toxicity Drug-Lipid Complexes
Patent:
6,406,713 →
Application:
08/430,661 →
Low Toxicity Drug-Lipid Systems
Patent:
5,616,334 →
Application:
08/430,699 →
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 31, 1990
From: LECLEF, BRIGITTE; CERFONTAINE, PATRICK; NICOLAS, JEAN-MARIE; WANTIER, HENRI
To: MEDGENIX GROUP S.A.
Reel/Frame 005501/0453 →
Assignment of Assignor's Interest
May 12, 1994
From: MEDGENIX GROUP S.A.
To: LIPOSOME COMPANY, INC., THE
Reel/Frame 006983/0557 →
Merger
Jun 14, 2002
From: LIPOSOME COMPANY, INC., THE
To: ELAN PHARMACEUTICALS, INC.
Reel/Frame 012958/0601 →
Assignment of Assignor's Interest
Feb 12, 2003
From: ELAN PHARMACEUTICALS, INC.
To: ENZON, INC.
Reel/Frame 013746/0545 →
Assignment of Assignor's Interest
Feb 16, 2010
From: ENZON PHARMACEUTICALS, INC.
To: DEFIANTE FARMACEUTICA, S.A.
Reel/Frame 023937/0530 →
Corrective Assignment to Correct the Applicant's Address Must Be Corrected in the Electronic Patent Assignment System Previously Recorded on Reel 023937 Frame 0533. Assignor(S) Hereby Confirms the Correct Address Is Rua Dos Ferreiros 260, Funchal-Madeira, Portugal, 9000-082.
Apr 26, 2010
From: ENZON PHARMACEUTICALS, INC.
To: DEFIANTE FARMACEUTICA, S.A.
Reel/Frame 024286/0076 →
Assignment of Assignor's Interest
Feb 7, 2012
From: DEFIANTE FARMACEUTICA, S.A.
To: SIGMA-TAU RARE DISEASES, S.A.
Reel/Frame 027662/0812 →
Merger
Apr 29, 2015
From: SIGMA TAU RARE DISEASES S.A.
To: SIGMA-TAU PHARMA LIMITED
Reel/Frame 035551/0219 →
Merger
Jun 30, 2015
From: SIGMA-TAU RARE DISEASES S.A.
To: SIGMA-TAU PHARMA LIMITED
Reel/Frame 036039/0195 →
Assignment of Assignor's Interest
Jul 1, 2015
From: SIGMA-TAU PHARMA LIMITED
To: SIGMA-TAU RARE DISEASE LTD
Reel/Frame 035948/0139 →
Change of Name
Dec 12, 2016
From: SIGMA-TAU RARE DISEASE LIMITED
To: LEADIANT BIOSCIENCES LIMITED
Reel/Frame 040716/0853 →