You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: March 26, 2026

APADAZ Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


When do Apadaz patents expire, and what generic alternatives are available?

Apadaz is a drug marketed by Zevra Therap and is included in one NDA. There are five patents protecting this drug.

This drug has thirty-five patent family members in twenty countries.

The generic ingredient in APADAZ is acetaminophen; benzhydrocodone hydrochloride. There are sixty-six drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the acetaminophen; benzhydrocodone hydrochloride profile page.

DrugPatentWatch® Generic Entry Outlook for Apadaz

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be February 22, 2031. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

< Available with Subscription >

  Start Trial

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for APADAZ?
  • What are the global sales for APADAZ?
  • What is Average Wholesale Price for APADAZ?
Summary for APADAZ
International Patents:35
US Patents:5
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
Raw Ingredient (Bulk) Api Vendors: 1
Drug Prices: Drug price information for APADAZ
What excipients (inactive ingredients) are in APADAZ?APADAZ excipients list
DailyMed Link:APADAZ at DailyMed
Drug patent expirations by year for APADAZ
Drug Prices for APADAZ

See drug prices for APADAZ

DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for APADAZ
Generic Entry Date for APADAZ*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:
TABLET;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

US Patents and Regulatory Information for APADAZ

APADAZ is protected by five US patents.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of APADAZ is ⤷  Start Trial.

This potential generic entry date is based on patent ⤷  Start Trial.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Zevra Therap APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-002 Jan 4, 2019 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Zevra Therap APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-001 Feb 23, 2018 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Zevra Therap APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-002 Jan 4, 2019 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Zevra Therap APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-003 Jan 4, 2019 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Zevra Therap APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-001 Feb 23, 2018 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Zevra Therap APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-003 Jan 4, 2019 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for APADAZ

When does loss-of-exclusivity occur for APADAZ?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Australia

Patent: 10266205
Patent: Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof
Estimated Expiration: ⤷  Start Trial

Brazil

Patent: 2012000569
Patent: ácido benzóico, derivados de ácido benzóico e conjugados de ácido heteroaril carboxílico de hidrocodona, pró-farmacos, métodos de produção e uso destes
Estimated Expiration: ⤷  Start Trial

Canada

Patent: 66388
Patent: ACIDE BENZOIQUE, DERIVES D'ACIDE BENZOIQUE ET CONJUGUES D'ACIDEHETEROARYLCARBOXYLIQUEE D'HYDROCODONE, PROMEDICAMENTS, LEURS PROCEDES DE FABRICATION ET D'UTILISATION (BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF)
Estimated Expiration: ⤷  Start Trial

Chile

Patent: 11003347
Patent: Composicion farmaceutica que comprende un conjugado, correspondiente a benzoato de hidrocodona ; y uso en el tratamiento de una enfermedad, trastorno o afeccion mediada por la union de un opioide a receptores opioides.
Estimated Expiration: ⤷  Start Trial

China

Patent: 2480959
Patent: Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof
Estimated Expiration: ⤷  Start Trial

Colombia

Patent: 80991
Patent: ACIDO BENZOICO, DERIVADOS DE ACIDO BENZOICO Y CONJUGADOS DE ACIDO HETEROARIL CARBOXILICO DE HIDROCODONA, PROFARMACOS, METODOS PARA ELABORAR Y UTILIZAR LOS MISMOS
Estimated Expiration: ⤷  Start Trial

Costa Rica

Patent: 110688
Patent: CONJUGADOS DE HIDROCODONA CON ÁCIDO BENZOICO, DERIVADOS DE ÁCIDO BENZOICO Y ÁCIDO CARBOXÍLICO HETEROARÍLICO, PROFÁRCOS, MÉTODOS DE PREPARACIÓN Y USO DE LOS MISMOS
Estimated Expiration: ⤷  Start Trial

Cuba

Patent: 128
Patent: COMPUESTO DE BENZOATO CONJUGADO A LA HIDROCODONA (BZ-HC)
Estimated Expiration: ⤷  Start Trial

Patent: 110246
Patent: ÁCIDO BENZOICO, DERIVADOS DE ÁCIDO BENZOICO Y CONJUGADOS DE ÁCIDO HETEROARIL CARBOXÍLICO DE HIDROCODONA, PROFÁRMACOS, MÉTODOS PARA ELABORAR Y UTILIZAR LOS MISMOS
Estimated Expiration: ⤷  Start Trial

European Patent Office

Patent: 48407
Patent: ACIDE BENZOÏQUE, DÉRIVÉS D'ACIDE BENZOÏQUE ET CONJUGUÉS D'ACIDEHÉTÉROARYLCARBOXYLIQUEE D'HYDROCODONE, PROMÉDICAMENTS, LEURS PROCÉDÉS DE FABRICATION ET D'UTILISATION (BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF)
Estimated Expiration: ⤷  Start Trial

Patent: 60336
Patent: ACIDE BENZOÏQUE, DÉRIVÉS D'ACIDE BENZOÏQUE ET CONJUGUÉS D'ACIDE CARBOXYLIQUE HÉTÉROARYLE D'HYDROCODONE, PROMÉDICAMENTS, PROCÉDÉS DE FABRICATION ET D'UTILISATION (BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF)
Estimated Expiration: ⤷  Start Trial

Israel

Patent: 7096
Patent: תכשירים הכוללים תצמידים של בנזואט הידרוקודון ושימושים בהם (Compositions comprising conjugates of benzoate hydrocodone and use thereof)
Estimated Expiration: ⤷  Start Trial

Patent: 9889
Patent: תצמידי חומצה בנזואית, תולדות חומצה בנזואית וחומצה קרבוקסילית הטרוארילית של הידרוקודון, מטרימי תרופות, שיטות להכנתם ושימוש בהם (Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof)
Estimated Expiration: ⤷  Start Trial

Japan

Patent: 42862
Estimated Expiration: ⤷  Start Trial

Patent: 12532142
Estimated Expiration: ⤷  Start Trial

Malaysia

Patent: 3046
Patent: BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF
Estimated Expiration: ⤷  Start Trial

Mexico

Patent: 12000128
Patent: ACIDO BENZOICO, DERIVADOS DE ACIDO BENZOICO Y CONJUGADOS DE ACIDO HETEROARIL CARBOXILICO DE HIDROCODONA, PROFARMACOS METODOS PARA ELABORALOS Y SUS USOS. (BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF.)
Estimated Expiration: ⤷  Start Trial

New Zealand

Patent: 7235
Patent: BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF
Estimated Expiration: ⤷  Start Trial

Russian Federation

Patent: 05541
Patent: КОНЪЮГАТЫ ГИДРОКОДОНА С БЕНЗОЙНОЙ КИСЛОТОЙ, ПРОИЗВОДНЫМИ БЕНЗОЙНОЙ КИСЛОТЫ И ГЕТЕРОАРИЛКАРБОНОВОЙ КИСЛОТОЙ, ПРОЛЕКАРСТВА, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ (CONJUGATES OF HYDROCODONE WITH BENZOIC ACID, DERIVATIVES OF BENZOIC ACID AND HETERO-ACRYL-CARBON ACID, PRODRUGS, METHODS FOR THEIR OBTAINING AND APPLICATION)
Estimated Expiration: ⤷  Start Trial

Patent: 12103476
Patent: КОНЪЮГАТЫ ГИДРОКОДОНА С БЕНЗОЙНОЙ КИСЛОТОЙ, ПРОИЗВОДНЫМИ БЕНЗОЙНОЙ КИСЛОТЫ И ГЕТЕРОАРИЛКАРБОНОВОЙ КИСЛОТОЙ, ПРОЛЕКАРСТВА, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ
Estimated Expiration: ⤷  Start Trial

Singapore

Patent: 7445
Patent: BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF
Estimated Expiration: ⤷  Start Trial

South Africa

Patent: 1109438
Patent: BENZOIC ACID,BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE,PRODRUGS,METHODS OF MAKING AND USE THEREOF
Estimated Expiration: ⤷  Start Trial

Patent: 1300747
Patent: BENZOIC ACID,BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE,PRODRUGS,METHODS OF MAKING AND USE THEREOF
Estimated Expiration: ⤷  Start Trial

South Korea

Patent: 1655972
Estimated Expiration: ⤷  Start Trial

Patent: 1795330
Estimated Expiration: ⤷  Start Trial

Patent: 1877467
Estimated Expiration: ⤷  Start Trial

Patent: 1971223
Estimated Expiration: ⤷  Start Trial

Patent: 2038260
Estimated Expiration: ⤷  Start Trial

Patent: 120048589
Patent: BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF
Estimated Expiration: ⤷  Start Trial

Patent: 160106781
Patent: 히드로코돈의 벤조산, 벤조산 유도체 및 헤테로아릴 카르복실산 콘쥬게이트, 이의 전구약물, 제조 방법 및 용도 (BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF)
Estimated Expiration: ⤷  Start Trial

Patent: 170124638
Patent: 히드로코돈의 벤조산, 벤조산 유도체 및 헤테로아릴 카르복실산 콘쥬게이트, 이의 전구약물, 제조 방법 및 용도 (BENZOIC ACID BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE PRODRUGS METHODS OF MAKING AND USE THEREOF)
Estimated Expiration: ⤷  Start Trial

Patent: 180081176
Patent: 히드로코돈의 벤조산, 벤조산 유도체 및 헤테로아릴 카르복실산 콘쥬게이트, 이의 전구약물, 제조 방법 및 용도 (BENZOIC ACID BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE PRODRUGS METHODS OF MAKING AND USE THEREOF)
Estimated Expiration: ⤷  Start Trial

Patent: 190042115
Patent: 히드로코돈의 벤조산, 벤조산 유도체 및 헤테로아릴 카르복실산 콘쥬게이트, 이의 전구약물, 제조 방법 및 용도 (BENZOIC ACID BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE PRODRUGS METHODS OF MAKING AND USE THEREOF)
Estimated Expiration: ⤷  Start Trial

Ukraine

Patent: 2916
Patent: КОМПОЗИЦИЯ НА ОСНОВЕ КОНЬЮГАТА ГИДРОКОДОНА С БЕНЗОЛЬНОЙ КИСЛОТОЙ, ПРОИЗВОДНЫМИ БЕНЗОЙНОЙ КИСЛОТ ИЛИ ГЕТЕРОАРИЛКАРБОНОВОЙ КИСЛОТОЙ, ПРОЛЕКАРСТВА, СПОСОБ ЛЕЧЕНИЯ ОТ ЗЛОУПОТРЕБЛЕНИЙ;КОМПОЗИЦІЯ НА ОСНОВІ КОН'ЮГАТУ ГІДРОКОДОНУ З БЕНЗОЙНОЮ КИСЛОТОЮ, ПОХІДНИМИ БЕНЗОЙНОЇ КИСЛОТИ АБО ГЕТЕРОАРИЛКАРБОНОВОЮ КИСЛОТОЮ, ПРОЛІКИ, СПОСІБ ЛІКУВАННЯ ВІД ЗЛОВЖИВАНЬ (COMPOSITION BASED ON CONJUGATES OF HYDROCODONE WITH BENZOIC ACID, BENZOIC ACID OR HETEROARYL CARBOXYLIC ACID DERIVATIVES, PRODRUGS AND METHOD FOR TREATMENT OF ABUSES)
Estimated Expiration: ⤷  Start Trial

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering APADAZ around the world.

Country Patent Number Title Estimated Expiration
Japan 2012532142 ⤷  Start Trial
European Patent Office 3560336 ACIDE BENZOÏQUE, DÉRIVÉS D'ACIDE BENZOÏQUE ET CONJUGUÉS D'ACIDE CARBOXYLIQUE HÉTÉROARYLE D'HYDROCODONE, PROMÉDICAMENTS, PROCÉDÉS DE FABRICATION ET D'UTILISATION (BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF) ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2011002991 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2011002991 ⤷  Start Trial
Mexico 2012000128 ACIDO BENZOICO, DERIVADOS DE ACIDO BENZOICO Y CONJUGADOS DE ACIDO HETEROARIL CARBOXILICO DE HIDROCODONA, PROFARMACOS METODOS PARA ELABORALOS Y SUS USOS. (BENZOIC ACID, BENZOIC ACID DERIVATIVES AND HETEROARYL CARBOXYLIC ACID CONJUGATES OF HYDROCODONE, PRODRUGS, METHODS OF MAKING AND USE THEREOF.) ⤷  Start Trial
Chile 2011003347 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

APADAZ Market Analysis and Financial Projection

Last updated: February 5, 2026

What are the current market dynamics for Apadaz?

Apadaz (benzhydrocodone and acetaminophen) entered the U.S. market in 2017 as an abuse-deterrent formulation of hydrocodone. Its market is influenced by increasing regulatory scrutiny, growing concern over opioid misuse, and shifting prescribing patterns favoring non-opioid alternatives.

Market share and competition

  • Apadaz holds a niche position in the opioid combination segment.
  • It competes against established brands such as Vicodin, Norco, and generic hydrocodone products.
  • Demand has declined partly due to the opioid epidemic and tighter regulations.

Regulatory environment

  • The Drug Enforcement Administration (DEA) classifies hydrocodone products as Schedule II substances.
  • The FDA issued guidelines in 2018 discouraging new opioids, emphasizing risk mitigation.
  • In 2021, the FDA requested removal of approval for certain opioid combos with higher abuse potential, although Apadaz remains available through existing prescriptions.

Prescriber and patient trends

  • Prescribers increasingly favor non-opioid pain treatments, such as NSAIDs and acetaminophen alone.
  • Patients and providers are more cautious given the risks of dependence and overdose.

How has the financial trajectory of Apadaz evolved?

Since its approval, Apadaz’s revenue has faced downward pressure. The impact of regulatory shifts and market competition has limited its growth.

Revenue performance

  • Limited publicly available data; estimates suggest minimal annual sales volume.
  • CAP (Compound Annual Growth Rate) approximation indicates a decline since 2018.
  • No major marketing campaigns or incentives have been reported post-launch.

Pricing and reimbursement

  • Apadaz’s pricing aligns with other branded hydrocodone combinations, typically $2–$4 per tablet.
  • Reimbursement rates are influenced by federal policies on opioid prescriptions, often favoring generics.
  • Commercial insurers and government payers increasingly restrict coverage due to opioid misuse concerns.

Future financial prospects

  • The market forecast predicts continued decline due to regulatory pressures, prescriber preferences, and the opioid crisis.
  • Market entry barriers limit potential growth.
  • No significant pipeline developments or reformulations have been announced to revive sales.

What are the external factors influencing Apadaz's market and financial outlook?

  • The ongoing opioid litigation against manufacturers impacts all opioid products.
  • Federal and state legislation aims to restrict opioid prescriptions, affecting demand.
  • The rise of abuse-deterrent formulations and abuse-resistant technologies shifts focus away from traditional opioids.
  • Public health campaigns continue to promote non-opioid pain management, reducing user base.

Summary of key points

  • Apadaz occupancy in the opioid market is marginal amidst regulatory and societal shifts against opioids.
  • Revenue trajectory shows decline, with no significant recovery prospects.
  • Market dynamics are further challenged by increased competition from non-opioid and abuse-deterrent alternatives.
  • Regulatory policies restrict new prescriptions, decreasing revenue potential.
  • External pressures like litigation and public health initiatives will continue to constrain growth.

Key Takeaways

  • Apadaz’s market share is small and declining due to regulatory and societal pressures.
  • Financial prospects remain limited, with minimal growth expected.
  • Prescriber behaviors favor non-opioids as first-line treatments.
  • Price and reimbursement pressures hinder profitability.
  • Future shifts towards non-opioid pain management solutions remain a major factor.

FAQs

1. Is Apadaz still available in the market?
Yes. The FDA has not withdrawn its approval, and it remains prescribed, primarily for patients with limited options. However, prescribing frequency has decreased.

2. What factors have contributed to Apadaz’s limited sales?
Regulatory restrictions, increased opioid regulation, reimbursement challenges, prescriber caution, and the opioid epidemic’s impact have all contributed.

3. Are there any reformulations or new formulations in development?
No public announcements or filings indicate pipeline development or reformulation aimed at increasing Apadaz’s market viability.

4. How does Apadaz compare to other opioids in terms of abuse potential?
Apadaz includes abuse-deterrent features, but overall opioid abuse remains a concern limiting new use.

5. What are the legal risks associated with Apadaz?
Apadaz and similar products face ongoing litigation related to the opioid crisis involving allegations of misleading marketing and contribution to addiction.

References

[1] FDA Drug Approvals and Updates, 2017–2023.
[2] U.S. DEA Schedule and Classification Data.
[3] Industry sales estimates, Center for Drug Evaluation and Research Reports, 2023.
[4] Federal and State Legislation on Opioid Prescriptions, 2021–2023.
[5] Public health reports on opioid misuse and abuse deterrent strategies, CDC, 2022.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.