Last Updated: May 11, 2026

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African Regional IP Organization (ARIPO): These 6 Drugs Face Patent Expirations and Generic Entry From 2026 - 2027

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Preferred citation:
Friedman, Yali, "African Regional IP Organization (ARIPO): These 6 Drugs Face Patent Expirations and Generic Entry From 2026 - 2027" DrugPatentWatch.com thinkBiotech, 2026 www.drugpatentwatch.com/p/expiring-drug-patents-generic-entry/.
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These estimated drug patent expiration dates and generic entry opportunity dates are calculated from analysis of known patents covering drugs. Many factors can influence early or late generic entry. This information is provided as a rough estimate of generic entry potential and should not be used as an independent source. The methodology is described in this blog post.
When can EVOTAZ (atazanavir sulfate; cobicistat) generic drug versions launch?

Generic name: atazanavir sulfate; cobicistat
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 07, 2026
Generic Entry Controlled by: African Regional IP Organization (ARIPO) Patent 2,985
Patent Title: Modulators of pharmacokinetic properties of therapeutics

Drug Price Trends for EVOTAZ
EVOTAZ is a drug marketed by Bristol. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has three hundred and six patent family members in forty-one countries. There has been litigation on patents covering EVOTAZ

See drug price trends for EVOTAZ.

The generic ingredient in EVOTAZ is atazanavir sulfate; cobicistat. There are twenty-five drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the atazanavir sulfate; cobicistat profile page.

When can EVOTAZ (atazanavir sulfate; cobicistat) generic drug versions launch?

Generic name: atazanavir sulfate; cobicistat
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 07, 2026
Generic Entry Controlled by: African Regional IP Organization (ARIPO) Patent 2,986
Patent Title: Modulators of pharmacokinetic properties of therapeutics

Drug Price Trends for EVOTAZ
EVOTAZ is a drug marketed by Bristol. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has three hundred and six patent family members in forty-one countries. There has been litigation on patents covering EVOTAZ

See drug price trends for EVOTAZ.

The generic ingredient in EVOTAZ is atazanavir sulfate; cobicistat. There are twenty-five drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the atazanavir sulfate; cobicistat profile page.

When can EVOTAZ (atazanavir sulfate; cobicistat) generic drug versions launch?

Generic name: atazanavir sulfate; cobicistat
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 07, 2026
Generic Entry Controlled by: African Regional IP Organization (ARIPO) Patent 3,915
Patent Title: Modulators of pharmacokinetic properties of therapeutics

Drug Price Trends for EVOTAZ
EVOTAZ is a drug marketed by Bristol. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has three hundred and six patent family members in forty-one countries. There has been litigation on patents covering EVOTAZ

See drug price trends for EVOTAZ.

The generic ingredient in EVOTAZ is atazanavir sulfate; cobicistat. There are twenty-five drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the atazanavir sulfate; cobicistat profile page.

When can OLYSIO (simeprevir sodium) generic drug versions launch?

Generic name: simeprevir sodium
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 28, 2026
Generic Entry Controlled by: African Regional IP Organization (ARIPO) Patent 2,406
Patent Title: Macrocydic inhibitors of hepatitis C virus.

OLYSIO is a drug marketed by Janssen Prods. There are eight patents protecting this drug.

This drug has sixty-four patent family members in forty-one countries.

See drug price trends for OLYSIO.

The generic ingredient in OLYSIO is simeprevir sodium. There is one drug master file entry for this API. Additional details are available on the simeprevir sodium profile page.

When can ESBRIET (pirfenidone) generic drug versions launch?

Generic name: pirfenidone
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: African Regional IP Organization (ARIPO) Patent 2,655

ESBRIET is a drug marketed by Legacy Pharma. There are twenty patents protecting this drug and two Paragraph IV challenges. One tentatively approved generic is ready to enter the market.

This drug has two hundred and sixty-six patent family members in forty-six countries. There has been litigation on patents covering ESBRIET

See drug price trends for ESBRIET.

The generic ingredient in ESBRIET is pirfenidone. There are twenty-three drug master file entries for this API. Twenty-four suppliers are listed for this generic product. Additional details are available on the pirfenidone profile page.

When can SIRTURO (bedaquiline fumarate) generic drug versions launch?

Generic name: bedaquiline fumarate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 05, 2026
Generic Entry Controlled by: African Regional IP Organization (ARIPO) Patent 2,498

SIRTURO is a drug marketed by Janssen Therap. There are two patents protecting this drug.

This drug has ninety-seven patent family members in thirty-nine countries.

See drug price trends for SIRTURO.

The generic ingredient in SIRTURO is bedaquiline fumarate. There is one drug master file entry for this API. One supplier is listed for this generic product. Additional details are available on the bedaquiline fumarate profile page.

When can TRELSTAR (triptorelin pamoate) generic drug versions launch?

Generic name: triptorelin pamoate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 06, 2027
Generic Entry Controlled by: African Regional IP Organization (ARIPO) Patent 3,000
Patent Title: Slow release pharmaceutical composition made of microparticles

TRELSTAR is a drug marketed by Verity. There is one patent protecting this drug.

This drug has forty-seven patent family members in thirty-two countries.

See drug price trends for TRELSTAR.

The generic ingredient in TRELSTAR is triptorelin pamoate. There are three drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the triptorelin pamoate profile page.

When can TRIPTODUR KIT (triptorelin pamoate) generic drug versions launch?

Generic name: triptorelin pamoate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 06, 2027
Generic Entry Controlled by: African Regional IP Organization (ARIPO) Patent 3,000
Patent Title: Slow release pharmaceutical composition made of microparticles

TRIPTODUR KIT is a drug marketed by Azurity. There is one patent protecting this drug.

This drug has forty-seven patent family members in thirty-two countries.

The generic ingredient in TRIPTODUR KIT is triptorelin pamoate. There are three drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the triptorelin pamoate profile page.

African Regional IP Organization (ARIPO): Branded and Generic Drug Markets Assessment and Regulatory Opportunities and Challenges

Last updated: February 20, 2026

What is the scope of ARIPO’s influence on the pharmaceutical industry?

ARIPO, established in 1996, manages intellectual property (IP) rights across 19 member states in Africa. It aims to facilitate regional cooperation on patents, trademarks, and industrial designs. Its patent system predominantly relies on national patent offices, but it offers a regional patent application process for member states, affecting how pharmaceutical companies protect IP across multiple markets.

How does ARIPO impact the branded drug market?

ARIPO’s patent system influences brand development by enabling patent protection for innovative drugs. The regional patent application process is limited; most member states require separate national applications.

Patent grant data (2020-2022):

Parameter Data Source
Regional patent applications Approximately 120 over 3 years ARIPO Annual Reports
Regional patents granted 35-50 annually ARIPO Patent Office
Major patent holders Limited, primarily multinational corporations Industry reports

Limited regional patent grants mean most patent protections are managed on a state-by-state basis, causing fragmentation.

What are the challenges for the generic drug market?

  1. Patent expiration and litigation: Weak enforcement and limited regional patent protection lead to simultaneous launching of generics once patents expire at national levels, reducing barriers for generic entry.

  2. IP enforcement variability: Enforcement capacity varies among ARIPO member states. Some nations have limited infrastructure for patent monitoring and litigation, facilitating infringement but complicating patent enforcement.

  3. Regulatory heterogeneity: Different national agencies have varying requirements for registration, delaying market entry for generics. The absence of unified regional registration creates duplication and inefficiencies.

  4. Pricing policies: Price controls and procurement practices often favor generics but depend on local policies, causing competitive disparities across markets.

What are the regulatory opportunities presented by ARIPO?

  1. Regional Patent System: Though underutilized, the regional patent route offers simplified protection, promoting innovation and investment diversity.

  2. Harmonized IP policies: ARIPO works toward harmonizing IP and patent laws, reducing legal uncertainties and streamlining IP management.

  3. Strategic partnerships: Pharmaceutical firms can leverage regional cooperation to negotiate licensing and patent sharing agreements, facilitating market access.

  4. Capacity building: ARIPO’s initiatives support training on IP management, potentially strengthening patent enforcement and registration processes.

What are the key regulatory challenges?

  1. Limited regional harmonization: Divergent national laws and procedures impede a unified approach, resulting in inconsistent patent protection and registration timelines.

  2. Slow patent examination: Backlogs and resource constraints delay patent grants, affecting market planning for both brand and generic manufacturers.

  3. Availability of local clinical data: Regulatory agencies demand data tailored to regional populations, complicating approval processes for generics and biosimilars.

  4. Weak enforcement infrastructure: Low capacity for patent oversight and enforcement reduces the deterrent effect against infringement.

How do patent strategies differ within ARIPO?

  • Multinational pharmaceutical companies typically seek regional patents for key innovations but rely heavily on national filings due to limited regional grant frequency.
  • Generics tend to capitalize on expired patents and less robust enforcement, facilitating rapid market entry.
  • Local companies may navigate a complex patent landscape with limited access to regional protection, impacting R&D investment decisions.

What are the regulatory pathways for drug approval and IP protection?

  • National regulatory authorities in member states handle drug approvals independently.
  • Regional patent protections are sought via ARIPO’s system but are underused.
  • No centralized registration platform exists, leading to duplicated efforts and inconsistent timelines.
  • Efforts underway toward harmonization aim to reduce barriers for generic manufacturers.

Key Takeaways

  • ARIPO offers a regional framework for patent registration but has low patent grant volumes, leading to reliance on national filings.
  • The fragmented legal landscape complicates IP protection and enforcement, especially for generics.
  • Harmonization efforts present long-term opportunities but face procedural and infrastructural hurdles.
  • Price control and procurement policies favor generics, but regulatory delays remain a bottleneck.
  • Capacity-building initiatives could bolster compliance and enforcement across member states.

Frequently Asked Questions

1. How does ARIPO compare to other regional IP organizations in Africa?

ARIPO's patent system is less developed than similar entities like OAPI, which has a more integrated regional patent process. ARIPO’s system primarily facilitates national filings, resulting in less regional coherence.

2. Can foreign pharmaceutical companies secure regional patents in ARIPO?

Yes, they can submit regional patent applications through ARIPO’s system; however, approval rates are limited, and many rely on national filings due to procedural complexity.

3. What is the typical timeline for patent approval within ARIPO?

Patent examination is often delayed, taking up to 24-36 months, depending on jurisdiction and backlog levels.

4. How do regional patent laws affect biosimilar registration?

Divergent national requirements pose hurdles. Absence of a centralized pathway complicates biosimilar approvals, especially where local clinical data is mandated.

5. What role do ARIPO’s policies play in drug pricing strategies?

While ARIPO’s laws influence IP protections, drug pricing depends mainly on national policies. Regional IP stability can encourage investment but does not directly impact pricing strategies.


Sources

[1] ARIPO. (2021). Annual Report.
[2] African Union. (2022). Regional Intellectual Property Policies.
[3] World Intellectual Property Organization. (2022). Global Patent Data.
[4] Medicines Patent Pool. (2022). Patent and Market Data in Africa.
[5] African Pharmaceutical Market Report. (2021).

(Note: Data are indicative; consult ARIPO’s latest reports for current statistics.)

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