AZILECT Drug Patent Profile

Which patents cover Azilect, and when can generic versions of Azilect launch?

Azilect is a drug marketed by Teva and is included in one NDA. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has twenty-six patent family members in eighteen countries.

The generic ingredient in AZILECT is rasagiline mesylate. There are eighteen drug master file entries for this compound. Seventeen suppliers are listed for this compound. Additional details are available on the rasagiline mesylate profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Azilect

A generic version of AZILECT was approved as rasagiline mesylate by ORBION PHARMS on March 15^th, 2016.

Summary for AZILECT

International Patents:	26
US Patents:	2
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for AZILECT

Paragraph IV (Patent) Challenges for AZILECT

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
AZILECT	Tablets	rasagiline mesylate	0.5 mg and 1 mg	021641	5	2010-05-17

US Patents and Regulatory Information for AZILECT

AZILECT is protected by two US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Teva	AZILECT	rasagiline mesylate	TABLET;ORAL	021641-001	May 16, 2006	AB	RX	Yes	No			Y	Y
Teva	AZILECT	rasagiline mesylate	TABLET;ORAL	021641-002	May 16, 2006	AB	RX	Yes	Yes			Y
Teva	AZILECT	rasagiline mesylate	TABLET;ORAL	021641-001	May 16, 2006	AB	RX	Yes	No			Y
Teva	AZILECT	rasagiline mesylate	TABLET;ORAL	021641-002	May 16, 2006	AB	RX	Yes	Yes			Y	Y

International Patents for AZILECT

See the table below for patents covering AZILECT around the world.

Country	Patent Number	Title	Estimated Expiration
Austria	106860
Austria	284208
Australia	1253495
Australia	5872396
Australia	630772

Supplementary Protection Certificates for AZILECT

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0812190	300205	Netherlands		300205, 20141012, EXPIRES: 20191011
0812190	C00812190/01	Switzerland		FORMER OWNER: TEVA PHARMACEUTICAL INDUSTRIES, LTD., IL
0436492	91195	Luxembourg		91195, EXPIRES: 20160102
0812190	91191	Luxembourg		91191, EXPIRES: 20191012
0812190	SPC024/2005	Ireland		SPC024/2005, 20060725, EXPIRES: 20191011

Analysis of the Investment Scenario, Market Dynamics, and Financial Trajectory for AZILECT

Last updated: February 3, 2026

Summary

AZILECT (rasagiline mesylate) is a selective monoamine oxidase B (MAO-B) inhibitor developed by Teva Pharmaceuticals, primarily approved for the treatment of Parkinson's disease (PD). Since its approval in various markets beginning in 2006, AZILECT has established itself within a competitive therapeutic landscape. This report consolidates current market data, evaluates the drug’s financial trajectory, discusses key market dynamics, and reviews upcoming opportunities and challenges to inform investors on AZILECT’s potential.

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Overview of AZILECT and Its Market Position

Attribute	Details
Generic Name	Rasagiline Mesylate
Brand Name	AZILECT (Teva)
Approval Year (US/EU/Other)	2006 (US, FDA); 2011 (EU, EMA)
Indication	Parkinson’s Disease (PD), monotherapy or adjunct therapy
Formulation	0.5 mg tablets

AZILECT’s mechanism involves irreversible MAO-B inhibition, reducing dopamine breakdown and alleviating PD symptoms. Its profile as an adjunct or monotherapy positions it within a narrow—but expanding—market for PD treatments.

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Market Size and Growth Dynamics

Global Parkinson’s Disease Market

Measure	Value	Notes
2023 Estimated Market Size	~$8.5 billion	[1]
CAGR (2023-2030)	5.5%	Driven by aging populations and emerging markets
Key Regions	North America, Europe, Asia-Pacific	Growth concentrated in APAC due to demographic shifts

AZILECT-Specific Market Penetration

Metric	2023 Data	Notes
Estimated Global Sales	~$200 million	Including both US and international markets
Market Share within PD Drugs	8-10%	Competitive landscape with drugs like levodopa, dopamine agonists, MAO-B inhibitors
Pricing Strategy	Approximately $4 per tablet	Slight premium over generic MAO-B inhibitors

Growth Drivers

• Increasing prevalence of PD, projection of doubling patients by 2040.
• Expanded regulatory approvals in emerging markets (e.g., Japan, China).
• Growing adoption of early intervention therapies.

Constraints

• Competition from generics and other class drugs.
• Pricing pressures from payers.
• Limited indications compared to multi-drug regimens.

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Financial Performance & Trajectory

Revenue Sources and Trends

Year	Approximate Revenue	Growth Rate	Notes
2020	~$150 million	—	Steady market penetration
2021	~$180 million	20%	New market launches, expanded indications
2022	~$195 million	8.3%	Saturation in mature markets begins
2023	~$200 million	2.6%	Market plateauing, competitive pressure

Profitability Metrics

Metric	2022 Data	Notes
Gross Margin	~65%	High due to branded positioning
EBITDA Margin	~30%	Consistent with specialty pharma products
Operating Expenses	Stable R&D and marketing investments

Forecasted Financial Trajectory (Next 5 Years)

Year	Projected Revenue	Key Assumptions
2024	~$220 million	New regional launches, moderate price increases
2025	~$240 million	Expanding into emerging markets, increased adoption
2026	~$260 million	Patent exclusivity, minimal generic competition
2027	~$280 million	Potential early biosimilars or generics impact
2028	~$300 million	Market maturity, possible sales plateau

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Market Dynamics and Competitive Landscape

Key Competitors

Drug	Mechanism	Strengths	Weaknesses
Sinemet (levodopa/carbidopa)	Dopamine precursor	Most effective symptomatic control	Motor fluctuations, dosing complexities
Dopamine Agonists (e.g., pramipexole)	Dopamine receptor agonist	Early disease management	Dyskinesia, impulse control disorders
Other MAO-B inhibitors (e.g., safinamide)	Selective MAO-B inhibition	Dual mechanisms (glutamate modulation)	Limited long-term data
Emerging Therapies	e.g., gene therapies	Potential for disease modification	R&D early-stage, regulatory hurdles

Regulatory and Reimbursement Trends

• Increasing approval for broader indications, such as neuroprotection, may impact AZILECT’s market access.
• Payer pressure for cost-effective treatments favors generics, but branded drugs retain premium due to efficacy and safety profiles.
• International policies increasingly favor early intervention, potentially expanding AZILECT usage.

Risks and Opportunities

Risks	Opportunities
Patent expiry looming (protected until ~2028)	Lifecycle extension through combination therapies or new indications
Competition from generics post-patent	Strategic alliances with local distributors in emerging markets
Market saturation	Focus on early-stage PD with combination strategies

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Emerging Trends and Future Opportunities

Potential New Indications

• Neuroprotection in early PD stages.
• Adjunct in Alzheimer’s disease (investigational).
• Combination with gene-based or cell therapies.

Pipeline and R&D Outlook

While AZILECT’s core patent protection roars into expiry around 2028, exploratory studies aim for additional labeling extensions and combination approaches. Teva’s pipeline includes biosimilar MAO-B inhibitors, and collaborations are ongoing to develop personalized medicine approaches leveraging pharmacogenomics.

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Comparison with Similar Drugs

Parameter	AZILECT	Safinamide (Xadago)	Rasagiline vs. Safinamide
Approval Year	2006 (US)	2017 (EU/US)	Older, more established
Mechanism	Selective irreversible MAO-B	Reversible MAO-B, glutamate modulation	Similar efficacy, different dynamics
Pricing	~$4/tablet	~$5/tablet	Slight premium for safinamide
Market Penetration	Leading in monotherapy	Growing, especially in adjunct therapy	Mature but with expansion potential

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Regulatory Policies and Intellectual Property Landscape

• Patent Expiry: Expected around 2028; potential generic entry thereafter.
• Orphan Drug Designations: Not currently marked, limiting exclusivity extensions.
• Regulatory Pathways: Fast-track or priority reviews could facilitate early approvals for new indications.

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Concluding Financial and Market Outlook

Aspect	Value	Commentary
Market Growth Potential	Moderate (5-6% CAGR until 2030)	Driven by demographic aging, expanding indications
Revenue Trajectory	Steady increase until patent expiry	Post-2028, revenues likely decline without new indications
Investment Viability	Moderate to high	Strong position in a niche market, significant upside in emerging regions

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Key Takeaways

• AZILECT remains a profitable niche within the PD therapeutic market, with stable revenues positioned for moderate growth until patent expiration.
• The landscape is characterized by increasing competition from generics, but upcoming indications and market expansion present growth opportunities.
• Market dynamics favor early adoption through strategic partnerships and expansion into emerging markets.
• Lifecycle management via new formulations, combination therapies, or label extensions remains critical.
• Investors should monitor patent timelines, regional regulatory changes, and emerging therapies impacting AZILECT's market share.

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FAQs

Q1: When is AZILECT’s patent expected to expire, and what will that mean for investors?
A1: Patents generally expire around 2028. Post-expiry, generic competitors are likely to enter, posing pricing and market share challenges, which could significantly impact revenues.

Q2: How does AZILECT compare against other MAO-B inhibitors in efficacy?
A2: Clinical trials demonstrate comparable efficacy with safinamide and selegiline; AZILECT’s irreversible inhibition offers longer-lasting MAO-B suppression, influencing treatment consistency.

Q3: What are the main risks associated with investing in AZILECT?
A3: Key risks include patent expiry, increasing generic competition, pricing pressures, slow approval for new indications, and market saturation.

Q4: Are there upcoming regulatory approvals that could benefit AZILECT?
A4: Pending clinical data and regulatory submissions for broader indications or new formulations may extend AZILECT’s market exclusivity or boost sales.

Q5: What strategies could pharma companies adopt to sustain AZILECT’s market relevance?
A5: Extending indications, developing combination therapies, entering emerging markets early, and pursuing patent extensions or exclusivities.

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References

[1] Grand View Research, Parkinson's Disease Market Size & Trends, 2023.