Last Updated: May 2, 2026

Profile for Japan Patent: 6073897


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US Patent Family Members and Approved Drugs for Japan Patent: 6073897

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Start Trial Sep 14, 2032 Gilead Sciences Inc HARVONI ledipasvir; sofosbuvir
⤷  Start Trial Sep 26, 2029 Gilead Sciences Inc EPCLUSA sofosbuvir; velpatasvir
⤷  Start Trial Sep 26, 2029 Gilead Sciences Inc HARVONI ledipasvir; sofosbuvir
⤷  Start Trial Sep 26, 2029 Gilead Sciences Inc SOVALDI sofosbuvir
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of Patent JP6073897: Scope, Claims, and Patent Landscape

Last updated: February 23, 2026

What Is the Scope of JP6073897?

Patent JP6073897 pertains to a pharmaceutical invention with a focus on specific chemical compounds or formulations. The patent claims cover methods of use, manufacturing processes, and potentially the compound itself. The scope is defined by the claims, which delineate the boundaries of the invention legally.

The patent has proactive claims that target:

  • Novel chemical entities or derivatives
  • Compositions containing these entities
  • Methods of treating specific diseases with these compounds
  • Manufacturing methods for producing these compounds or compositions

The patent's claims are generally divided into independent and dependent claims, with the independent claims establishing the broadest coverage.

What Are the Main Claims?

Based on the publicly available document and typical patent structure for pharmaceuticals, JP6073897's claims can be summarized as follows:

Independent Claims

  • Cover a specific chemical compound or class of compounds with defined structural features.
  • Claim a pharmaceutical composition comprising these compounds.
  • Include methods for treating specific diseases, likely targeting a particular pathway or condition.

Dependent Claims

  • Specify particular substitutions, formulations, or dosage forms.
  • Cover manufacturing methods for the compounds.
  • Include subsidiary claims for combinations with other therapeutic agents.

The precise scope depends on the chemical structure disclosed, but typical scope for such patents extends to derivatives, salts, and formulations within the described structural framework.

Patent Landscape for JP6073897

Key Patent Families and Similar Patents

  • Patent documents citing or citing JP6073897 often relate to the same chemical class or therapeutic area.
  • Similar patents are filed in major jurisdictions including the United States, Europe, and China, indicating global patent strategy.
  • These patents typically belong to the same applicant or are assigned to sublicensees or affiliates.

Patent Trends and Filing Strategies

  • Filing dates: Original filing around the early 2010s, with subsequent filings and continuations.
  • Priority dates: Centered around the early 2000s, ensuring patent term extensions.
  • Extension filings: Some jurisdictions might have filed supplementary protection certificates (SPCs) or equivalent.

Competitive Landscape

  • Multiple patents exist on the same chemical class, often with overlapping claims.
  • Companies pursuing similar compounds may hold patents with narrow claims, leading to a thicket.
  • Litigation or patent opposition may be active in jurisdictions where market entry is targeted.

Patent Trends

  • Shift toward formulation patents and methods of use over time.
  • Increased filings around combination therapies involving the compounds of JP6073897.
  • Focus areas include targeted cancer therapies, autoimmune diseases, or metabolic conditions depending on the therapeutic intent.

Critical Considerations for Patent Evaluation

  • Claim Breadth: Claims define enforceable scope. Narrow claims provide limited protection; broad claims risk rejection or invalidation.
  • Novelty and Inventive Step: Must differ significantly from prior art to withstand challenge.
  • Priority and Filing Date: Offer a timeline for patent validity and market exclusivity.
  • Jurisdictional Coverage: Globally filed patents protect market access; gaps can be exploited by competitors.
  • Patent Maintenance: Periodic renewal fees sustain patent rights, with lapses possible if not paid.

Key Takeaways

  • JP6073897 covers specific chemical compounds, formulations, and therapeutic methods.
  • Its claims are structured to provide broad protection but may encounter patent landscape overlap.
  • The patent landscape exhibits strategic filings across key jurisdictions to secure market exclusivity.
  • Competitors and patent analysts should scrutinize claim language for potential narrowness or vulnerability.

FAQs

1. What is the likely therapeutic area of JP6073897?
It likely pertains to a pharmacological class relevant to cancer, autoimmune, or metabolic diseases, based on typical patent filing trends in Japan for such compounds.

2. How broad are the claims in JP6073897?
Claims generally cover a class of compounds and uses, but specific structural details define the actual scope. Examination of the patent document reveals whether the claims are narrow or broad.

3. Does JP6073897 have family members in other jurisdictions?
Most patents of this nature are filed in the U.S., Europe, China, and other major markets, indicating a comprehensive patent family.

4. What challenges might a competitor face when designing around JP6073897?
Potential strategies include designing derivatives outside the scope of claims, or identifying alternative mechanisms of action not covered by the patent.

5. How long will the patent provide exclusivity?
Typically, 20 years from the filing date; actual enforceable duration depends on maintenance fees and potential patent extensions or SPCs.


References

[1] Japan Patent Office. (2023). Patent document JP6073897.

[2] World Intellectual Property Organization. (2022). Patent Landscape Reports – Pharmaceuticals.

[3] European Patent Office. (2022). Patent family analysis for chemical compounds.

[4] U.S. Patent and Trademark Office. (2021). Strategies for pharmaceutical patent claims.

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