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Patent Assignment Assignor Details
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Assignor Name : TANG, ZILONG
Total Assignments: 25
Assignment: 1
Reel/Frame:028144/0716   Pages: 11
Recorded: 05/02/2012
Attorney Dkt #:DRF-002-US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AUER, RICHARD
Exec Dt:
04/24/2012
2
BRYLAWSKI, BRANDON ANTHONY
Exec Dt:
04/25/2012
3
CRESSWELL, CHRISTOPHER JOHN
Exec Dt:
04/24/2012
4
CURTIS, ANDREW MUTCH
Exec Dt:
04/24/2012
5
DAI, WEIZHEN
Exec Dt:
04/24/2012
6
HOU, YIXIN
Exec Dt:
04/24/2012
7
TANG, ZILONG
Exec Dt:
05/01/2012
8
TAYAL, KAMAL
Exec Dt:
04/24/2012
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE
SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130246081
13462486
Correspondence name and address
BELLES KATZ LLC
404 S. 16TH STREET
PHILADELPHIA, PA 19146
Assignment: 2
Reel/Frame:028515/0717   Pages: 8
Recorded: 07/09/2012
Attorney Dkt #:DRF-002-US-CIP1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRYLAWSKI, BRANDON ANTHONY
Exec Dt:
06/27/2012
2
CRESSWELL, CHRISTOPHER JOHN
Exec Dt:
07/05/2012
3
TANG, ZILONG
Exec Dt:
07/05/2012
4
HOU, YIXIN
Exec Dt:
06/27/2012
5
TAYAL, KAMAL
Exec Dt:
06/27/2012
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE
SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130246082
13544531
Correspondence name and address
BELLES KATZ LLC
404 S. 16TH STREET
PHILADELPHIA, PA 19146
Assignment: 3
Reel/Frame:034270/0574   Pages: 4
Recorded: 11/26/2014
Attorney Dkt #:029860-0435392
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JAMES F.
Exec Dt:
11/25/2014
2
ROSENFELD, ERIC
Exec Dt:
10/28/2014
3
QIAN, CHEN
Exec Dt:
11/25/2014
4
TANG, ZILONG
Exec Dt:
11/25/2014
Assignee
1
DRFIRST.COM INC.
9420 KEY WEST AVE., SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160065552
14554676
Correspondence name and address
PILLSBURY WINTHROP SHAW PITTMAN LLP - DR
1650 TYSONS BLVD, SUITE 1400
MCLEAN, VA 22102
Assignment: 4
Reel/Frame:034584/0193   Pages: 3
Recorded: 12/24/2014
Attorney Dkt #:029860-0435393
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JAMES F.
Exec Dt:
11/25/2014
2
QIAN, CHEN
Exec Dt:
11/25/2014
3
TANG, ZILONG
Exec Dt:
11/25/2014
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVE., SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9940452
US20160063239
14582666
Correspondence name and address
PILLSBURY WINTHROP SHAW PITTMAN LLP - YA
P.O. BOX 10500
MCLEAN, VA 22102
Assignment: 5
Reel/Frame:047554/0422   Pages: 5
Recorded: 11/20/2018
Attorney Dkt #:0130-007002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JAMES F.
Exec Dt:
11/25/2014
2
ROSENFELD, ERIC
Exec Dt:
10/28/2014
3
QIAN, CHEN
Exec Dt:
11/25/2014
4
TANG, ZILONG
Exec Dt:
11/25/2014
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180181745
15900099
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP / DR. FIRST
C/O CPA GLOBAL
900 SECOND AVENUE SOUTH, SUITE 600
MINNEAPOLIS, MN 55402
Assignment: 6
Reel/Frame:050505/0215   Pages: 5
Recorded: 09/26/2019
Attorney Dkt #:0130-006003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JAMES F.
Exec Dt:
11/25/2014
2
ROSENFELD, ERIC
Exec Dt:
10/28/2014
3
QIAN, CHEN
Exec Dt:
11/25/2014
4
TANG, ZILONG
Exec Dt:
11/25/2014
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10783237
US20190220589
16231244
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP / DR. FIRST
C/O CPA GLOBAL
900 SECOND AVENUE SOUTH, SUITE 600
MINNEAPOLIS, MN 55402
Assignment: 7
Reel/Frame:053461/0615   Pages: 4
Recorded: 08/11/2020
Attorney Dkt #:0130-006004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JAMES F.
Exec Dt:
11/25/2014
2
ROSENFELD, ERIC
Exec Dt:
10/28/2014
3
QIAN, CHEN
Exec Dt:
11/25/2014
4
TANG, ZILONG
Exec Dt:
11/25/2014
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200356659
16947389
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 8
Reel/Frame:034833/0833   Pages: 3
Recorded: 01/28/2015
Attorney Dkt #:029860-0436437
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JAMES F.
Exec Dt:
01/28/2015
2
TANG, ZILONG
Exec Dt:
01/28/2015
3
WANG, JIEH-SHAN
Exec Dt:
01/28/2015
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVE., SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160065579
14606843
Correspondence name and address
PILLSBURY WINTHROP SHAW PITTMAN LLP - DR
1650 TYSONS BLVD, SUITE 1400
MCLEAN, VA 22102
Assignment: 9
Reel/Frame:035687/0800   Pages: 4
Recorded: 05/21/2015
Attorney Dkt #:029860-0438022
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JAMES F.
Exec Dt:
04/29/2015
2
QIAN, CHEN
Exec Dt:
02/03/2015
3
TANG, ZILONG
Exec Dt:
02/04/2015
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150310176
14694539
Correspondence name and address
PILLSBURY WINTHROP SHAW PITTMAN LLP - DR
1650 TYSONS BLVD, SUITE 1400
MCLEAN, VA 22102
Assignment: 10
Reel/Frame:036545/0251   Pages: 3
Recorded: 09/11/2015
Attorney Dkt #:0130-002001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TANG, ZILONG
Exec Dt:
09/10/2015
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE
SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9961070
US20170078270
14851708
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
1701 PENNSYLVANIA AVENUE
SUITE 300
WASHINGTON, DC 20006
Assignment: 11
Reel/Frame:045672/0947   Pages: 3
Recorded: 04/30/2018
Attorney Dkt #:0130-002002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TANG, ZILONG
Exec Dt:
09/10/2015
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10673836
US20180255049
15966815
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP / DR. FIRST
C/O CPA GLOBAL
900 SECOND AVENUE SOUTH, SUITE 600
MINNEAPOLIS, MN 55402
Assignment: 12
Reel/Frame:053454/0724   Pages: 3
Recorded: 08/11/2020
Attorney Dkt #:0130-002003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TANG, ZILONG
Exec Dt:
09/10/2015
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11336633
US20200366666
16889327
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 13
Reel/Frame:045976/0832   Pages: 3
Recorded: 06/04/2018
Attorney Dkt #:0130-015001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, ZILONG
Exec Dt:
05/29/2018
2
CHEN, JAMES F.
Exec Dt:
05/30/2018
3
QIAN, CHEN
Exec Dt:
05/29/2018
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10204236
NONE
15992736
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP / DR. FIRST
C/O CPA GLOBAL
900 SECOND AVENUE SOUTH, SUITE 600
MINNEAPOLIS, MN 55402
Assignment: 14
Reel/Frame:047771/0022   Pages: 3
Recorded: 12/13/2018
Attorney Dkt #:0130-015002/PDMP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, ZILONG
Exec Dt:
05/29/2018
2
CHEN, JAMES F.
Exec Dt:
05/30/2018
3
QIAN, CHEN
Exec Dt:
05/29/2018
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10762232
US20190370485
16219420
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP / DR. FIRST
C/O CPA GLOBAL
900 SECOND AVENUE SOUTH, SUITE 600
MINNEAPOLIS, MN 55402
Assignment: 15
Reel/Frame:060354/0898   Pages: 3
Recorded: 06/29/2022
Attorney Dkt #:0130-015003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, ZILONG
Exec Dt:
05/29/2018
2
CHEN, JAMES F.
Exec Dt:
05/30/2018
3
QIAN, CHEN
Exec Dt:
05/29/2018
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11537738
US20210049295
16948055
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 16
Reel/Frame:064047/0969   Pages: 3
Recorded: 06/23/2023
Attorney Dkt #:0130-015004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, ZILONG
Exec Dt:
05/29/2018
2
CHEN, JAMES F.
Exec Dt:
05/30/2018
3
QIAN, CHEN
Exec Dt:
05/29/2018
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230315894
18146063
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 17
Reel/Frame:046866/0055   Pages: 3
Recorded: 09/13/2018
Attorney Dkt #:0130-006002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JAMES F.
Exec Dt:
09/10/2018
2
QIAN, CHEN
Exec Dt:
09/10/2018
3
TANG, ZILONG
Exec Dt:
09/10/2018
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 230
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10162960
US20180068111
15807363
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP / DR. FIRST
C/O CPA GLOBAL
900 SECOND AVENUE SOUTH, SUITE 600
MINNEAPOLIS, MN 55402
Assignment: 18
Reel/Frame:048387/0487   Pages: 3
Recorded: 02/20/2019
Attorney Dkt #:0130-016001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, ZILONG
Exec Dt:
02/18/2019
2
CHEN, JAMES F.
Exec Dt:
02/18/2019
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11010394
US20200265046
16277590
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP / DR. FIRST
C/O CPA GLOBAL
900 SECOND AVENUE SOUTH, SUITE 600
MINNEAPOLIS, MN 55402
Assignment: 19
Reel/Frame:056238/0294   Pages: 3
Recorded: 05/14/2021
Attorney Dkt #:0130-016002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, ZILONG
Exec Dt:
02/18/2019
2
CHEN, JAMES F.
Exec Dt:
02/18/2019
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11681719
US20210263927
17302830
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 20
Reel/Frame:064047/0926   Pages: 3
Recorded: 06/23/2023
Attorney Dkt #:0130-016003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, ZILONG
Exec Dt:
02/18/2019
2
CHEN, JAMES F.
Exec Dt:
02/18/2019
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240086414
18336449
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 21
Reel/Frame:054495/0735   Pages: 3
Recorded: 11/30/2020
Attorney Dkt #:0130-018001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TANG, ZILONG
Exec Dt:
11/30/2020
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10979230
NONE
17247110
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 22
Reel/Frame:055523/0530   Pages: 3
Recorded: 03/08/2021
Attorney Dkt #:0130-018002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TANG, ZILONG
Exec Dt:
11/30/2020
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11128469
US20210288812
17249592
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 23
Reel/Frame:061157/0180   Pages: 3
Recorded: 09/20/2022
Attorney Dkt #:0130-018003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TANG, ZILONG
Exec Dt:
11/30/2020
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11621851
US20220006638
17448161
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 24
Reel/Frame:065365/0038   Pages: 3
Recorded: 10/26/2023
Attorney Dkt #:0130-018004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TANG, ZILONG
Exec Dt:
11/30/2020
Assignee
1
DRFIRST.COM, INC.
9420 KEY WEST AVENUE, SUITE 101
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230246843
18194246
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
P.O. BOX 1077
MIDDLETOWN, MD 21769
Assignment: 25
Reel/Frame:063968/0575   Pages: 3
Recorded: 06/16/2023
Attorney Dkt #:0247-002001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, ZILONG
Exec Dt:
06/07/2023
2
TANG, ALBERT
Exec Dt:
06/07/2023
Assignee
1
HIFIDATA LLC
11408 AMBERLEA FARM DRIVE
NORTH POTOMAC, MARYLAND 20878
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11822373
NONE
18331695
Correspondence name and address
BRAKE HUGHES BELLERMANN LLP
PO BOX 1077
MIDDLETOWN, MD 21769

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