Patent Assignment
Reel/Frame 052355/0802
Assignment of Assignor's Interest
Recorded: 2020-04-09
Pages: 2
Assignor
ZHANG, YI
Executed: 2020-02-17
Assignee
YISHENG BIOPHARMA (SINGAPORE) PTE LTD
SERANGOON CENTRAL POST OFFICE, PO BOX 584, SINGAPORE, 915503, SINGAPORE
Covered Property
(1)
Composition for Treating and/or Preventing Hepatitis B Virus Infection and the Use Thereof
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 12, 2025
From: YISHENG BIOPHARMA (SINGAPORE) PTE. LTD.
To: LAKESHORE BIOPHARMA (SINGAPORE) PTE. LTD.
Reel/Frame 072230/0711 →
Nunc Pro Tunc Assignment
Sep 12, 2025
From: LAKESHORE BIOPHARMA (SINGAPORE) PTE. LTD.
To: YISHENGBIO (HONG KONG) HOLDINGS LIMITED
Reel/Frame 072868/0980 →
Change of Address
Sep 12, 2025
From: LAKESHORE BIOPHARMA (SINGAPORE) PTE. LTD.
To: LAKESHORE BIOPHARMA (SINGAPORE) PTE. LTD.
Reel/Frame 072869/0066 →