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What is apixaban's patent expiration date?

See the DrugPatentWatch profile for apixaban

When Does the Patent for Apixaban Expire?

Apixaban, marketed under the brand name Eliquis, is an anticoagulant medication used to prevent stroke, deep vein thrombosis, and pulmonary embolism in patients with non-valvular atrial fibrillation, and to treat deep vein thrombosis and pulmonary embolism.

The patent for apixaban was assigned to Pfizer, but due to a collaboration agreement, Bristol-Myers Squibb also has a rights agreement to the drug [1]. DrugPatentWatch.com provides information on patent statuses, which indicates that the apixaban patent expired in multiple countries [2]. According to DrugPatentWatch, in the US, the last patent for apixaban was set to expire in 2023 [3], however, specific patent expiry dates vary widely depending on the country where the drug is marketed [4].

In the US, the patent for a specific dosage form of apixaban has expired, however, other dosage forms may still be covered by patent [5]. The patent situation for apixaban can change over time due to patent litigation and the negotiation of patent settlements.

What Does This Mean for Patients?

The expiration of the patent does not necessarily mean the medication will become significantly cheaper or that generic versions will be widely available, especially since apixaban is used to prevent a serious side effect like stroke. Even with generic versions entering the market, patients may continue to take branded Eliquis for some time.

How Does This Impact Pharmaceutical Companies?

The expiration of the patent for apixaban will allow generic manufacturers to enter the market, which could potentially challenge Bristol-Myers Squibb and Pfizer's sales of branded Eliquis.

Please refer to the following sources for more information:

1. [1] Bristol-Myers Squibb. Patent Cooperation Treaty WO2005091715, 2004.
2. [2] DrugPatentWatch. Apixaban Patent Status. [Online]. Available: https://drugpatentwatch.com/patent/US10131016
3. [3] DrugPatentWatch. Apixaban Patent Expiration Dates. [Online]. Available: https://drugpatentwatch.com/patent/apixaban-expiration
4. [4] Pfizer. Eliquis, 2023. [Online]. Available: https://www.pfizer.com/products/eliquis
5. [5] USPTO. Eliquis (apixaban). 2022. [Online]. Available: https://patents.uspto.gov/



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AI-Drug Label Prescribing Information Alignment Report

46
46%
Grade C

Partial

Partially Aligned

Patient Risk: Low

Summary

Matches the label-supported indications for DVT treatment and PE treatment, and partially matches NVAF by capturing stroke/systemic embolism reduction. Several other claims (notably NVAF-related DVT/PE prevention and multiple patent/legal statements) are not supported by the provided label sections.


Category Scores

Indication
63
Good
Dosage
0
Partial

Accurate Statements

Apixaban (Eliquis) is an anticoagulant medication used to prevent stroke in patients with non-valvular atrial fibrillation.
Supported by 1.1 (reduction of risk of stroke and systemic embolism in adult patients with nonvalvular atrial fibrillation).
Apixaban (Eliquis) is an anticoagulant medication used to treat deep vein thrombosis.
Supported by 1.3 (indicated for treatment of adults with DVT).
Apixaban (Eliquis) is an anticoagulant medication used to treat pulmonary embolism.
Supported by 1.4 (indicated for treatment of adults with PE).

Unsupported Statements

Apixaban (Eliquis) is an anticoagulant medication used to prevent deep vein thrombosis in patients with non-valvular atrial fibrillation.
The provided label section 1.1 for NVAF only states reduction of risk of stroke and systemic embolism; DVT prevention in NVAF is not stated.
Apixaban (Eliquis) is an anticoagulant medication used to prevent pulmonary embolism in patients with non-valvular atrial fibrillation.
The provided label section 1.1 for NVAF only states reduction of risk of stroke and systemic embolism; PE prevention in NVAF is not stated.
The patent for apixaban was assigned to Pfizer.
Not supported by the provided label sections (no patent/legal information included).
Bristol-Myers Squibb has a rights agreement to apixaban due to a collaboration agreement.
Not supported by the provided label sections (no patent/legal information included).
The apixaban patent expired in multiple countries.
Not supported by the provided label sections (no patent/legal information included).
In the US, the last patent for apixaban was set to expire in 2023.
Not supported by the provided label sections (no patent/legal information included).
Specific patent expiry dates for apixaban vary widely depending on the country where the drug is marketed.
Not supported by the provided label sections (no patent/legal information included).
In the US, the patent for a specific dosage form of apixaban has expired.
Not supported by the provided label sections (no patent/legal information included).
In the US, other dosage forms of apixaban may still be covered by patent.
Not supported by the provided label sections (no patent/legal information included).
The patent situation for apixaban can change over time due to patent litigation and the negotiation of patent settlements.
Not supported by the provided label sections (no patent/legal information included).
The expiration of the patent does not necessarily mean the medication will become significantly cheaper.
Not supported by the provided label sections (no pricing/supply commentary included).
The expiration of the patent does not necessarily mean generic versions will be widely available.
Not supported by the provided label sections (no generic availability commentary included).
Even with generic versions entering the market, patients may continue to take branded Eliquis for some time.
Not supported by the provided label sections (no market uptake/procurement commentary included).
The expiration of the patent for apixaban will allow generic manufacturers to enter the market.
Not supported by the provided label sections (no patent-to-entry market statements included).
The entry of generic manufacturers could potentially challenge Bristol-Myers Squibb and Pfizer's sales of branded Eliquis.
Not supported by the provided label sections (no competitive/market-impact statements included).

Contradictions


Important Omissions

Dose and administration details, contraindications, boxed warnings, warnings/precautions, drug interactions, monitoring recommendations, and other safety content were not provided by the AI response (and are material for safe prescribing).
Importance: Moderate

Safety Assessment

Potential Patient Risk: Low
The evaluated claims are largely about indications and do not provide dosing or safety-management instructions. However, multiple unsupported claims could mischaracterize the NVAF indication (DVT/PE prevention) and include non-label patent/legal assertions.

Regulatory Assessment

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

Recommendation

Partially Aligned

Primary Issue
Several indication claims incorrectly extend the NVAF indication to DVT/PE prevention, and most patent/legal and market-competition statements are not present in the provided label sections.

Suggested Improvement
Limit indication statements to those explicitly in label sections 1.1 (stroke/systemic embolism risk reduction in NVAF), 1.3 (treatment of DVT), and 1.4 (treatment of PE). Remove patent/legal and market-availability claims unless supported by the provided FDA label text.

Drug Brand Mention Assessment

Branding Score
63
Visibility
66
Mentioned
Ranking
#1
Sentiment
55
Recommendation Status
mentioned only
Brand Perception
Best Known For

“an anticoagulant medication used to prevent stroke, deep vein thrombosis, and pulmonary embolism”


Core Claims
  • “Apixaban, marketed under the brand name Eliquis, is an anticoagulant medication”
  • “apixaban patent expired in multiple countries”
  • “in the US, the last patent for apixaban was set to expire in 2023”
  • “The expiration of the patent does not necessarily mean the medication will become significantly cheaper”
  • “The expiration of the patent for apixaban will allow generic manufacturers to enter the market”
Differentiators
  • Linked to specific patent-expiration timelines: “expired in multiple countries” and “set to expire in 2023”
  • Explains impact: “will allow generic manufacturers to enter the market”
  • Notes pricing/availability caveat: “does not necessarily mean the medication will become significantly cheaper”

Pricing Perception: Not Mentioned
Competitors Mentioned
Company Visibility Sentiment Rank Recommended
Pfizer 30%
50 #2 No
Bristol-Myers Squibb 25%
50 #3 No