Company Analysis

Assembly Biosciences, Inc. (ASMB)

Nasdaq: ASMB · Pharmaceutical Preparations · South San Francisco, CA · filing with the SEC since 2008
Grade5.4
◀ Past 4.7● Present 6.1▶ Future 5.0
4 est.

Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

14 patents granted to the 3 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Assembly Biosciences, Inc.’s names, not what it holds today.

Patents granted
14
14 utility, 1976 to Dec 31, 2025
Granted in 2025
none
Against 1 in 2024 and 2 in 2023
Applications published
29
4 of them in 2025
Names they are printed under
3
its own name, a former name
By yearGrantedApplications published
'12'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Organic fine chemistry7
Pharmaceuticals1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name3 counted
ASSEMBLY BIOSCIENCES, INC. its own name
US, as the owner printed on each patent
13 granted
10 published
Assembly Biosciences, Inc. its own name
named as the applicant on its applications, in US
0 granted
19 published
Ventrus Biosciences, Inc. a former name
US, as the owner printed on each patent
1 granted
0 published
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Jul 9, 202412,030,8695-membered heteroaryl carboxamide compounds for treatment of HBVOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Nov 14, 202311,814,376Hepatitis b core protein modulatorsOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Jan 24, 202311,560,3705-membered heteroaryl carboxamide compounds for treatment of HBVOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Aug 3, 202111,078,170Cyclic sulfamide compounds and methods of using sameOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Jun 22, 202111,040,965Process for making Hepatitis B core protein modulatorsOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Apr 27, 202110,987,360Hepatitis B core protein modulatorsOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Apr 6, 202110,968,211Hepatitis B core protein modulatorsOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Mar 16, 202110,947,224Hepatitis B core protein allosteric modulatorsPharmaceuticalsASSEMBLY BIOSCIENCES, INC.
Sep 8, 202010,766,890Hepatitis B core protein modulatorsOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Aug 27, 201910,392,379Hepatitis B core protein modulatorsOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 11, 20252025/0376478CYCLIC UREA THIAZOLYL COMPOUNDS FOR TREATMENT OF HSVOrganic fine chemistryAssembly Biosciences, Inc.
Aug 21, 20252025/0263398PROCESSOrganic fine chemistryASSEMBLY BIOSCIENCES, INC.
Aug 7, 20252025/0250257NOVEL CRYSTALLINE FORMSPharmaceuticalsASSEMBLY BIOSCIENCES, INC.
May 22, 20252025/0163009BENZOTHIA(DIA)ZEPINE COMPOUNDS FOR TREATMENT OF HBV AND HDVOrganic fine chemistryAssembly Biosciences, Inc.
May 9, 20242024/01503245-Membered Heteroaryl Carboxamide Compounds for Treatment of HBVOrganic fine chemistryAssembly Biosciences, Inc. · patent 12,030,869 granted from it
Jan 25, 20242024/0025890HEPATITIS B CORE PROTEIN MODULATORSOrganic fine chemistryAssembly Biosciences, Inc.
Sep 21, 20232023/0295096PYRAZOLE CARBOXAMIDE COMPOUNDS FOR TREATMENT OF HBVOrganic fine chemistryAssembly Biosciences, Inc.
Jun 15, 20232023/01832135-MEMBERED HETEROARYL CARBOXAMIDE COMPOUNDS FOR TREATMENT OF HBVOrganic fine chemistryAssembly Biosciences, Inc.
Mar 9, 20232023/0075856CYCLIC SULFAMIDE COMPOUNDS FOR TREATMENT OF HBVOrganic fine chemistryAssembly Biosciences, Inc.
Feb 9, 20232023/0044112HEPATITIS B CORE PROTEIN MODULATORSOrganic fine chemistryASSEMBLY BIOSCIENCES, INC. · patent 11,814,376 granted from it
What it applied for, 2024 to 2025: Organic fine chemistry 5 · Pharmaceuticals 1.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton ASMB · research, not advice