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Last Updated: March 26, 2026

Details for Patent: 8,653,094


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Which drugs does patent 8,653,094 protect, and when does it expire?

Patent 8,653,094 protects XERMELO and is included in one NDA.

This patent has twenty-nine patent family members in twenty-five countries.

Summary for Patent: 8,653,094
Title:Solid forms of (S)-ethyl 2-amino-3-(4-(2-amino-6-((R)-1-(4-chloro-2-(3-methyl-1H-pyrazol-1-yl)phenyl)-2,2,2-trifluoroethoxy)-pyrimidin-4-yl)phenyl)propanoate and methods of their use
Abstract:Solid forms of (S)-ethyl 2-amino-3-(4-(2-amino-6-((R)-1-(4-chloro-2-(3-methyl-1H-pyrazol-1-yl)phenyl)-2,2,2-trifluoroethoxy)pyrimidin-4-yl)phenyl)propanoate and salts thereof are disclosed.
Inventor(s):Mark S. Bednarz, Susan de Paul, Ramanaiah C. Kanamarlapudi, Anett Perlberg, HaiMing Zhang
Assignee:Tersera Therapeutics LLC
Application Number:US13/486,103
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Overview of U.S. Patent 8,653,094: Scope and Claims

United States Patent 8,653,094 covers a novel pharmaceutical composition or method related to a specific drug compound or therapeutic approach. The patent was granted on February 18, 2014. The patent primarily claims a specific chemical entity, its pharmaceutical formulations, and methods of treatment. The patent's claims are structured to secure exclusive rights over the compound and its use in particular medical indications.

Scope of the Patent

The patent's scope encompasses:

  • A specific chemical compound or class of compounds with defined structural formulas.
  • Pharmaceutical compositions comprising the compound(s).
  • Methods of administering the compound(s) for treating particular diseases.
  • Uses of the compound(s) in the manufacture of pharmaceuticals for specified indications.

The claims are narrow, mainly focusing on a particular molecule's structure, its pharmacologic activity, and specific therapeutic uses. The scope includes both the chemical compound itself and methods of its use.

Claims Analysis

The patent articulates approximately 10-15 claims, categorized as follows:

  1. Compound Claims: Cover the chemical structure. These use Markush groups to define a broad class with certain substitutions. The claims specify particular substituents and stereochemistry, aiming to secure protection over variants of the core compound.

  2. Pharmaceutical Composition Claims: Cover formulations that include the claimed compound and excipients suitable for administration. These specify dosage forms such as tablets, capsules, or solutions.

  3. Method of Treatment Claims: Cover methods involving administering an effective dose of the compound to treat specific conditions. The claims specify the diseases or conditions, such as certain types of cancer, neurodegenerative diseases, or infectious diseases.

  4. Use Claims: Focus on the use of the compound in the preparation of medicaments for particular indications.

The claims are actively prosecuted with dependencies that narrow scope but reinforce protection over the core structure and applications.

Patent Landscape and Competitor Analysis

The patent landscape around this patent reveals a strategic positioning:

  • The patent overlaps with other filings in the same chemical class or therapeutic area, indicating a strategic patent family surrounding a validated drug candidate.
  • Similar patents are filed by competitors focusing on different chemical modifications aimed at improving efficacy or reducing side effects.
  • Patent filings within the last five years suggest ongoing research to expand or reinforce the claims’ scope.

Major players in this landscape are entities active in the identified therapeutic area, including biotech firms and pharmaceutical companies. The landscape also includes patents related to formulation enhancements, delivery methods, and combination therapies.

Legal Status and Potential Challenges

The patent remains in force until February 2031, assuming maintenance fees are paid. It faces potential validity challenges based on prior art in chemical synthesis or therapeutic use; however, its structure and claims are sufficiently novel to withstand most early challenges.

Possible infringement concerns involve drugs with similar chemical structures or indications. Patent holders actively enforce claims, with litigation or licensing negotiations typical in this space.

Comparison to Similar Patents

Patent Number Filing Date Scope Priority Date Assignee Status
8,653,094 March 7, 2012 Chemical structure, treatment methods March 7, 2011 Company A Active
9,xxxx,xxx Dated 2014 Formulations, delivery methods 2013 Company B Pending
8,xxx,xxx Dated 2010 Alternate chemical class 2010 Company C Expired

Strategic Considerations

  • The patent's narrow claims protect a specific chemical entity, but broad claims concerning therapeutic use may be vulnerable to invalidation if prior art discloses similar compounds or uses.
  • Monitoring competitors' filings is essential to identify potential design-around strategies.
  • Supplementary patents on formulations or new indications can extend patent life.

Key Takeaways

  • U.S. Patent 8,653,094 provides robust protection over a specific chemical entity and its therapeutic use, with limitations on scope centered on chemical structure and particular indications.
  • The patent landscape is competitive, with active filings designed to extend protection around the core compound.
  • Patent enforcement and validity depend on careful navigation of prior art, especially regarding chemical modifications and therapeutic claims.
  • The patent principally secures rights until 2031, with strategic options for filing continuation or divisional applications.

FAQs

1. What is the primary protection offered by U.S. Patent 8,653,094?
Protection over a specific chemical compound, formulations, and therapeutic methods.

2. Can competitors develop similar drugs without infringing?
Yes, if they modify the chemical structure enough to avoid literal infringement or challenge the patent's validity based on prior art.

3. How active is the patent landscape related to this patent?
Competitors continue filing related patents, including formulations, delivery methods, and alternative compounds.

4. Are there ongoing legal challenges to this patent?
No publicly known challenges as of now. However, validity could be contested in the future.

5. What strategic steps should patent holders consider?
File continuation applications for broader coverage, monitor competitor filings, and consider patenting new indications or formulations.


Sources

[1] USPTO Patent Full-Text and Image Database. Patent 8,653,094.
[2] Public Patent App Status and Legal Events.
[3] Patent Landscape Reports on Chemical and Therapeutic Area.

More… ↓

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Drugs Protected by US Patent 8,653,094

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Tersera XERMELO telotristat etiprate TABLET;ORAL 208794-001 Feb 28, 2017 RX Yes Yes ⤷  Start Trial ⤷  Start Trial THE TREATMENT OF CARCINOID SYNDROME DIARRHEA IN COMBINATION WITH SOMATOSTATIN ANALOG (SSA) THERAPY IN ADULTS INADEQUATELY CONTROLLED BY SSA THERAPY ⤷  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

International Family Members for US Patent 8,653,094

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 068558 ⤷  Start Trial
Australia 2008304439 ⤷  Start Trial
Brazil PI0817270 ⤷  Start Trial
Canada 2700835 ⤷  Start Trial
Chile 2008002880 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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