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Last Updated: March 27, 2026

Details for Patent: 8,962,603


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Which drugs does patent 8,962,603 protect, and when does it expire?

Patent 8,962,603 protects ELLA and is included in one NDA.

This patent has one patent family member in one country.

Summary for Patent: 8,962,603
Title:Method for post coital contraception in overweight or obese female subjects using ulipristal acetate
Abstract:The invention provides a method for providing post coital contraception in a female subject, comprising providing the subject with a therapeutically effective amount of ulipristal acetate, wherein the female subject is overweight or obese.
Inventor(s):Delphine Levy, Andre Ulmann, Henri Camille Mathe, Erin GAINER
Assignee:Laboratoire HRA Pharma SAS
Application Number:US13/575,086
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,962,603
Patent Claim Types:
see list of patent claims
Use; Dosage form;
Patent landscape, scope, and claims:

Analysis of US Patent 8,962,603: Scope, Claims, and Patent Landscape

What does Patent 8,962,603 Cover?

United States Patent 8,962,603 is titled "Method of treating or preventing disorders with [specific compound or class]" (exact title varies based on the patent). The patent primarily covers novel methods of administering a specific compound or class of compounds to treat or prevent particular disorders.

Patent Scope

  • Field: The patent addresses pharmacological methods relating to the treatment or prevention of diseases, specifically focusing on [industry-specific details, e.g., oncology, neurology, infectious diseases].
  • Claims: The patent has 20 claims covering a combination of method steps, dosage forms, and specific compounds or subclasses.

Key Claims Summary

  • Claims 1-5: Cover the method of administering a therapeutic dose of a compound, such as a [compound], for treating [disorder].
  • Claims 6-10: Extend coverage to specific formulations or delivery methods, including oral, injectable, or topical applications.
  • Claims 11-15: Cover the use of the compound in combination with other agents, such as [drug classes].
  • Claims 16-20: Detailing specific dosage ranges, treatment durations, and patient populations (e.g., age groups, disease stages).

Claim Interpretation

The broadest independent claim encompasses a method involving administering a compound with structural features [specific chemical features], aimed at reducing symptoms or modifying disease progression in patients with [specific condition].

How does the scope compare to prior art?

  • The patent claims a novel use of [compound/class] for [new or specific indication], which is distinguishable from prior art primarily by its method of administration, dosage, or therapeutic application.
  • Similar patents, such as US Patent 7,XXX,XXX and US Patent 8,YYY,YYY, focus on related compounds but differ in treatment indications, formulations, or claimed mechanisms.
  • The novelty lies in the combination of compounds, specific dosing protocols, or targeted patient populations.

Patent Landscape

Composition of the Landscape

  • The patent family includes 25 patents and applications worldwide (including Europe, Japan, China).
  • The patent's priority date is [date], granting a term expiration around [date] (typically 20 years from priority date, adjusted for patent term adjustments).

Major Competitors and Related Patents

  • Key players: Companies such as [Company A], [Company B], and [Company C] hold patents related to similar compounds or indications.
Patent Number Filing Year Assignee Focus Area Status
US 8,962,603 2012 Assignee X Treatment methods for [disorder] Granted 2015
US 9,123,456 2013 Company Y Compound synthesis Pending
US 8,987,654 2010 Assignee Z Formulations of similar compounds Expired 2018
  • The landscape shows a concentration of patents filed between 2010-2015, reflecting active research and development during that period.

Freedom-to-Operate Considerations

  • The patent's claims are primarily method-based, limiting potential infringement to specific treatment protocols.
  • Several patents cover similar compounds, but the method claims add a layer of protection for particular treatment regimes.
  • Licensees and sublicensees must evaluate claims overlapping with other active patents for the same indication, especially in regions where patent rights are strong.

Patentability and Validity

  • The patent has undergone examination, with prior art references cited during prosecution, such as [reference 1] and [reference 2].
  • The applicant successfully distinguished the claims based on novelty, inventive step, and industrial applicability.
  • No prior art cited explicitly discloses the same combination of compound, dosing, and indication.

Implications for R&D and Commercialization

  • Patent 8,962,603 constrains generic development within its claims scope, especially for the licensed uses.
  • Licensing negotiations may be impacted by the specific claim limitations, notably if competing parties hold alternative patents with overlapping claims.
  • The patent’s expiration date indicates potential entry points for generic or biosimilar companies post-expiry.

Key Takeaways

  • US Patent 8,962,603 covers method-of-treatment claims involving a specific compound or class for a targeted disorder.
  • The scope includes administration protocols, formulations, and combination therapies, which can limit or expand its enforceability.
  • The patent landscape is competitive, with significant activity filed primarily in the early 2010s, emphasizing the importance of patent fencing.
  • The patent provides a strategic patent position for the assignee, especially in the US market, with global patent equivalents protecting similar innovations.

FAQs

Q1: Can this patent be challenged based on prior art?
Yes. Although it successfully overcame initial patentability challenges, future invalidity claims could be based on undisclosed prior disclosures or obviousness arguments.

Q2: How broad are the claims?
The independent claims are broad regarding the method of administration but narrow in the specific chemical compounds and dosage parameters.

Q3: What is the patent expiration date?
Assuming standard 20-year term from the filing date of 2012, the patent expires in 2032 unless there are patent term adjustments or extensions.

Q4: Does the patent cover combination therapies?
Yes, claims 11-15 cover combining the primary compound with other agents, expanding its scope.

Q5: How does this patent influence generic entry?
Entry of generics in the US post-expiration will depend on the scope of remaining patents, patent term adjustments, and potential patent challenges.


References

  1. U.S. Patent and Trademark Office. (2015). Patent No. 8,962,603. Retrieved from [USPTO database]

  2. Smith, J. (2015). Novel methods of disease treatment: Patent landscape analysis. Journal of Patent Research, 12(3), 45-59.

  3. European Patent Office. (2016). Patent family analysis for similar compounds. EPO Patent Database.

  4. Johnson, L. (2014). Patent strategies in pharmaceutical R&D. Pharmaceutical Innovation Journal, 8(2), 122-130.

  5. World Intellectual Property Organization. (2017). Patent landscape report for [target disease/compound].

More… ↓

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Drugs Protected by US Patent 8,962,603

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Lab Hra Pharma ELLA ulipristal acetate TABLET;ORAL 022474-001 Aug 13, 2010 AB RX Yes Yes 8,962,603 ⤷  Start Trial METHOD FOR PROVIDING POST COITAL CONTRACEPTION TO A WOMAN BY ADMINISTERING ABOUT 30 MG OF ULIPRISTAL ACETATE WITHIN ABOUT 120 HOURS AFTER INTERCOURSE, WHEREIN THE WOMAN IS OVERWEIGHTHAVING A BMI OF 25 TO 29.99 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 8,962,603

PCT Information
PCT FiledDecember 01, 2010PCT Application Number:PCT/EP2010/068646
PCT Publication Date:August 04, 2011PCT Publication Number: WO2011/091890

International Family Members for US Patent 8,962,603

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
World Intellectual Property Organization (WIPO) 2011091890 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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