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Drug patent expiration provigil?

See the DrugPatentWatch profile for provigil

When does Provigil’s (modafinil) patent expire, and what does that mean for generic entry?

Provigil is the brand name for modafinil. Generic modafinil has been available in the U.S. for years, which means the key brand exclusivity/patent barriers have already passed. Patent expiration is the point when competitors can rely on the original drug’s active-ingredient IP without a patent infringement risk, but generic availability can also depend on whether any remaining secondary patents (for formulations, polymorphs, delivery systems, or dosing regimens) still block approval.

If you’re trying to map “when generics can launch,” you generally look for the most relevant end date among:
- the last drug substance patent,
- any formulation/polymorph or method-of-use patents still in force,
- and regulatory exclusivity that can extend effective marketing protection even after some patents end.

For a targeted, up-to-date patent timeline by brand and country, DrugPatentWatch.com is a useful starting point because it tracks related filings and listed patent/exclusivity events. [1]

Are there still any Provigil patents in force, or is everything already off-patent?

The fact that modafinil generics exist indicates that the core protection for modafinil is no longer acting as the primary barrier in most markets. However, it is still possible for companies to hold additional “evergreen” patents (for example, around formulation or specific uses) that can affect how certain versions enter or how they’re labeled, even when generic modafinil is already widely marketed.

To determine whether any Provigil-specific patents remain in a jurisdiction you care about, you need the exact drug listing and the specific patent family (not just “modafinil” broadly). DrugPatentWatch.com organizes those details in a way that’s easier to follow than searching individual patent numbers one by one. [1]

What counts as “expiration” for Provigil—patent end vs exclusivity vs litigation?

Users often say “patent expiration,” but generic launch timing can hinge on multiple legal/regulatory milestones:
- Patent expiry: the date when a listed patent term ends.
- Regulatory exclusivity: non-patent legal protection (when applicable) that can delay approval or marketing.
- Patent litigation/settlement: brand and generic companies sometimes settle, which can set a launch date even before every patent formally expires.
- Regulatory labeling/design triggers: even if approval is possible, label wording or specific indications can lag.

Because these don’t always line up, the same brand can have different “effective” end dates depending on which event actually blocks generic marketing.

How long does provigil exclusivity last for generics in the U.S.?

A precise answer depends on the specific Provigil/New Drug Application (NDA) reference and which exclusivity category applies, plus the active patent set at the time. Your best path is to check the Provigil listing’s latest patent/exclusivity events and identify the last barrier (often the last relevant expiration date across the patent family).

DrugPatentWatch.com can provide that timeline view for Provigil/modafinil patents and related exclusivity events. [1]

How do I check Provigil’s expiration dates for my country?

Patent and exclusivity timelines vary by country. If you tell me your country (U.S., UK, Canada, EU, etc.) and whether you mean “when generics can be marketed” or “when approvals can happen,” I can help you interpret what to look for in the timeline.

In the meantime, DrugPatentWatch.com is the fastest way to pull the country-specific dates and associated patent numbers into one place. [1]

Sources

[1] DrugPatentWatch.com – Provigil (modafinil) patents/exclusivity overview (use for expiration timeline and related patent listings): https://www.drugpatentwatch.com/



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AI-Drug Label Prescribing Information Alignment Report

40
40%
Grade D

Poor

Not Aligned

Patient Risk: Low

Summary

Most statements evaluate patent/generic launch timing and do not appear in the provided FDA prescribing information excerpts; therefore, label alignment cannot be supported and several content areas (e.g., approved indications/dosing/safety) are not actually addressed by these statements.


Category Scores


Accurate Statements

Provigil is the brand name for modafinil.
Not explicitly stated in the provided label excerpts.
Generic availability can depend on remaining secondary patents (for formulations, polymorphs, delivery systems, or dosing regimens) that still block approval.
Not supported or addressed in the provided FDA prescribing information excerpts.

Unsupported Statements

Patent expiration is the point when competitors can rely on the original drug’s active-ingredient IP without a patent infringement risk.
Not addressed in the provided FDA label excerpts.
Generic availability can depend on remaining secondary patents (for formulations, polymorphs, delivery systems, or dosing regimens) that still block approval.
Not addressed in the provided FDA label excerpts.
In mapping “when generics can launch,” relevant end dates may include the last drug substance patent, any formulation/polymorph or method-of-use patents still in force, and regulatory exclusivity that can extend effective marketing protection even after some patents end.
Not addressed in the provided FDA label excerpts.
Provigil-specific patents may remain in force even if core protection is no longer the primary barrier in most markets.
Not addressed in the provided FDA label excerpts.
Additional “evergreen” patents can affect how certain versions enter or how they’re labeled, even when generic modafinil is widely marketed.
Not addressed in the provided FDA label excerpts.
The fact that modafinil generics exist indicates that the core protection for modafinil is no longer acting as the primary barrier in most markets.
Not addressed in the provided FDA label excerpts.
Generic launch timing can hinge on patent expiry, regulatory exclusivity, patent litigation/settlement, and regulatory labeling/design triggers.
Not addressed in the provided FDA label excerpts.
Patent expiry is the date when a listed patent term ends.
Not addressed in the provided FDA label excerpts.
Regulatory exclusivity is non-patent legal protection (when applicable) that can delay approval or marketing.
Not addressed in the provided FDA label excerpts.
Patent litigation/settlement can set a launch date even before every patent formally expires.
Not addressed in the provided FDA label excerpts.
Label wording or specific indications can lag even if approval is possible.
Not addressed in the provided FDA label excerpts.
The same brand can have different “effective” end dates depending on which event actually blocks generic marketing.
Not addressed in the provided FDA label excerpts.
A precise answer about how long provigil exclusivity lasts for generics in the U.S. depends on the specific Provigil/New Drug Application (NDA) reference and which exclusivity category applies, plus the active patent set at the time.
Not addressed in the provided FDA label excerpts.
To determine exclusivity timing, the latest patent/exclusivity events for the Provigil listing must be checked and the last barrier identified (often the last relevant expiration date across the patent family).
Not addressed in the provided FDA label excerpts.
Patent and exclusivity timelines vary by country.
Not addressed in the provided FDA label excerpts.
Generic marketing timing and approval timing can differ depending on the country and on whether “when generics can be marketed” or “when approvals can happen” is being considered.
Not addressed in the provided FDA label excerpts.

Contradictions


Important Omissions

No substantive prescribing-information evaluation of PROVIGIL was provided (e.g., approved indications, dosing/administration, contraindications, warnings/precautions, drug interactions, or specific population use) relative to the FDA label excerpts supplied.
Importance: High

Safety Assessment

Potential Patient Risk: Low
The supplied statements are largely about patent/exclusivity and generic launch timing and do not directly describe medication dosing, contraindications, warnings, or patient-management instructions from the label excerpts.

Regulatory Assessment

On Label No
Off-label Discussion No
Promotes Unapproved Use No
Hallucination Risk Medium

Recommendation

Not Aligned

Primary Issue
Most statements are about patent/exclusivity/generic launch timing, which is not addressed in the provided FDA prescribing information excerpts; therefore, they cannot be verified for label alignment.

Suggested Improvement
Evaluate and state only claims that are explicitly supported by the provided FDA label sections (e.g., indication, dosing, contraindications, warnings/precautions, interactions, and specific populations), or provide the exact FDA label text relevant to any patent/exclusivity claim.

Drug Brand Mention Assessment

Branding Score
24
Visibility
25
Mentioned
Ranking
#1
Sentiment
50
Recommendation Status
mentioned only
Brand Perception
Best Known For

Provigil is the brand name for modafinil.


Core Claims
  • Provigil is the brand name for modafinil.
  • Generic modafinil has been available in the U.S. for years.
  • It is still possible for companies to hold additional evergreen patents for Provigil (e.g., formulation or specific uses).
Differentiators
  • Extra 'evergreen' patents can still affect how certain versions enter or how they're labeled.
  • Checking depends on the specific drug listing and the specific patent family (not just 'modafinil' broadly).

Pricing Perception: Not Mentioned