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Patent Assignment Assignor Details
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Assignor Name : ENG, WAI-SI
Total Assignments: 14
Assignment: 1
Reel/Frame:007476/0080   Pages: 3
Recorded: 05/03/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ENG, WAI-SI
Exec Dt:
02/17/1994
2
BURNS, H. DONALD
Exec Dt:
02/17/1994
3
PONTICELLO, GERALD S.
Exec Dt:
02/17/1994
4
SELNICK, HAROLD G.
Exec Dt:
02/17/1994
Assignee
1
MERCK & CO., INC.
RY60-30
P.O. BOX 2000
RAHWAY, NEW JERSEY 07065
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5441722
NONE
08198248
Correspondence name and address
MERCK & CO., INC.
SYLVIA A. AYLER
PATENT DEPARTMENT
P.O. BOX 2000 - RY60-30
RAHWAY, NJ 07065-0907
Assignment: 2
Reel/Frame:010565/0969   Pages: 3
Recorded: 02/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURNS, HUGH D.
Exec Dt:
05/01/1998
2
ENG, WAI-SI
Exec Dt:
05/01/1998
3
GIBSON, RAYMOND E.
Exec Dt:
05/01/1998
Assignee
1
MERCK & CO., INC.
RY 60-30
PO BOX 2000
RAHWAY, NEW JERSEY 07065
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6060038
NONE
09074346
Correspondence name and address
DIANNE PECORARO
PATENT DEPARTMENT - RY 60-30
P.O. BOX 2000
RAHWAY, NEW JERSEY 07065-0907
Assignment: 3
Reel/Frame:018764/0353   Pages: 3
Recorded: 01/12/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURNS, H. DONALD
Exec Dt:
10/09/2003
2
GIBSON, RAYMOND E.
Exec Dt:
10/09/2003
3
ENG, WAI-SI
Exec Dt:
10/09/2003
4
HAMILL, TERENCE G.
Exec Dt:
10/09/2003
Assignee
1
MERCK & CO., INC.
P.O. BOX 2000
RY60-30
RAHWAY, NEW JERSEY 07065-0907
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7354935
US20050214204
10528888
Correspondence name and address
J. ERIC THIES
PATENT DEPARTMENT
MERCK & CO., INC.
P.O. BOX 2000-RY60-30
RAHWAY, N.J. 07065-0907
Assignment: 4
Reel/Frame:050804/0764   Pages: 3
Recorded: 10/23/2019
Attorney Dkt #:65YC-303535
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/18/2019
3
FENG, YI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XW LABORATORIES INC.
OFFICE OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 3119 GRAND PAVILION, HIBISCUS WAY 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10618886
US20200102289
16587344
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 5
Reel/Frame:050804/0887   Pages: 3
Recorded: 10/23/2019
Attorney Dkt #:65YC-295085
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/22/2019
3
SHIH, HAO-WEI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XW LABORATORIES INC.
OFFICE OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 3119 GRAND PAVILION, HIBISCUS WAY 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10683262
US20190322618
16502562
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 6
Reel/Frame:051849/0134   Pages: 3
Recorded: 02/18/2020
Attorney Dkt #:65YC-311035
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/18/2019
3
FENG, YI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XW LABORATORIES INC.
OFFICES OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 3119 GRAND PAVILION, HIBISCUS WAY 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10730853
US20200181112
16793139
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 7
Reel/Frame:052299/0032   Pages: 3
Recorded: 04/02/2020
Attorney Dkt #:65YC-311292
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/22/2019
3
SHIH, HAO-WEI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XW LABORATORIES INC.
OFFICES OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 3119 GRAND PAVILION, HIBISCUS WAY 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10836714
US20200231540
16838633
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 8
Reel/Frame:053017/0916   Pages: 3
Recorded: 06/23/2020
Attorney Dkt #:65YC-314547
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/18/2019
3
FENG, YI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XW LABORATORIES INC.
OFFICES OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 3119 GRAND PAVILION, HIBISCUS WAY 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10968202
US20200369645
16909779
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 9
Reel/Frame:054025/0504   Pages: 3
Recorded: 10/12/2020
Attorney Dkt #:65YC-322173
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/22/2019
3
SHIH, HAO-WEI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XW LABORATORIES INC.
OFFICES OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 3119 GRAND PAVILLION, HIBISCUS WAY 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11440874
US20210032199
17067968
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 10
Reel/Frame:055510/0529   Pages: 3
Recorded: 03/05/2021
Attorney Dkt #:65YC-329160
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/18/2019
3
FENG, YI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XW LABORATORIES INC.
OFFICES OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 3119 GRAND PAVILION, HIBISCUS WAY 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11420955
US20210188808
17193678
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 11
Reel/Frame:060540/0215   Pages: 3
Recorded: 07/19/2022
Attorney Dkt #:65YC-001340US-357740
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/18/2019
3
FENG, YI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XWPHARMA LTD.
OFFICES OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 31119 GRAND PAVILION, HIBISCUS WAY, 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220380339
17867681
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
1540 EL CAMINO REAL, SUITE 120
MENLO PARK, CA 94024
Assignment: 12
Reel/Frame:060683/0092   Pages: 3
Recorded: 08/01/2022
Attorney Dkt #:65YC-001630US-357745
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
10/11/2019
2
XU, XUESONG
Exec Dt:
10/22/2019
3
SHIH, HAO-WEI
Exec Dt:
10/20/2019
4
ENG, WAI-SI
Exec Dt:
10/13/2019
Assignee
1
XWPHARMA LTD.
OFFICES OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 31119 GRAND PAVILION, HIBISCUS WAY, 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220411365
17878174
Correspondence name and address
KRYSTLE SIERSEMA
1540 EL CAMINO REAL, SUITE 120
MENLO PARK, CA 94024
Assignment: 13
Reel/Frame:052117/0440   Pages: 4
Recorded: 03/06/2020
Attorney Dkt #:65YC-311050
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
03/02/2020
2
XU, XUESONG
Exec Dt:
03/04/2020
3
FENG, YI
Exec Dt:
03/03/2020
4
LIU, XIANBO
Exec Dt:
03/03/2020
5
ENG, WAI-SI
Exec Dt:
03/05/2020
Assignee
1
XW LABORATORIES INC.
OFFICE OF OFFSHORE INCORPORATIONS (DAYMAN) LIMITED
P.O. BOX 3119 GRAND PAVILLION, HIBISCUS WAY 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11149006
US20200239416
16811202
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 14
Reel/Frame:057521/0654   Pages: 4
Recorded: 09/15/2021
Attorney Dkt #:65YC-330152
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIANG, JIA-NING
Exec Dt:
03/02/2020
2
XU, XUESONG
Exec Dt:
03/04/2020
3
FENG, YI
Exec Dt:
03/03/2020
4
LIU, XIANBO
Exec Dt:
03/03/2020
5
ENG, WAI-SI
Exec Dt:
03/05/2020
Assignee
1
XWPHARMA LTD.
OFFICES OF OFFSHORE INCORPORATIONS (CAYMAN) LIMITED
P.O. BOX 31119 GRAND PAVILION, HIBISCUS WAY, 802 WEST BAY ROAD
GRAND CAYMAN, CAYMAN ISLANDS KY1-1205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11905247
US20220002246
17476028
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301

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