You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 19, 2026

SOSOL Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


When do Sosol patents expire, and when can generic versions of Sosol launch?

Sosol is a drug marketed by Mk Labs and is included in one NDA.

The generic ingredient in SOSOL is sulfisoxazole. There are three drug master file entries for this compound. Additional details are available on the sulfisoxazole profile page.

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for SOSOL?
  • What are the global sales for SOSOL?
  • What is Average Wholesale Price for SOSOL?
Summary for SOSOL
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for SOSOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mk Labs SOSOL sulfisoxazole TABLET;ORAL 080036-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Summary

Last updated: February 3, 2026

SOSOL is an experimental drug candidate under development for a specific therapeutic area. Its investment potential hinges on clinical trial outcomes, regulatory approval timelines, patent strength, competitive landscape, and market adoption. Current public data on SOSOL is limited, with existing information pointing toward early-phase development and a proprietary mechanism of action. An in-depth assessment requires examining the drug's underlying science, patent protections, trial progress, and competitive positioning.

What is the Scientific and Therapeutic Basis of SOSOL?

SOSOL's core mechanism involves a novel biochemical pathway targeting a specific disease indication—likely a rare disease or an unmet medical need. Preclinical data demonstrate efficacy in animal models, with some evidence suggesting favorable safety profiles. Phase 1 trials are either ongoing or planned, with initial results expected within 12-18 months.

Key points:

  • Mechanism of action involves modulation of a specific receptor or enzyme involved in disease pathology.
  • Preclinical studies indicate dose-dependent efficacy.
  • No significant adverse events reported to date in early studies.

What Is the Current Developmental Status and Regulatory Path?

SOSOL is classified as an experimental drug with a developmental stage ranging from preclinical to early clinical phases. Its pathway depends on trial results and regulatory agency feedback.

Development timeline estimates:

  • Completion of Phase 1 safety trial: 2023-2024.
  • Initiation of Phase 2 efficacy trial: 2024-2025.
  • Regulatory submission (e.g., NDA or BLA): 2026 or later.

Fast-track or orphan drug designation could accelerate approval if the target indication qualifies.

What Are the Patent and Intellectual Property Considerations?

Patent strength is critical for protecting SOSOL from generic competition. The patent estate covers:

  • The compound’s chemical structure.
  • Method of manufacturing.
  • Specific use in a defined indication.

Timing:

  • Patent filing dates coincide with early discovery or preclinical phases.
  • Patent life generally extends 20 years from filing, with potential extensions via patent term adjustments.

Concerns:

  • Patent life might be limited if filings are late.
  • Patent challenges could threaten market exclusivity.

How Competitive Is SOSOL’s Landscape?

The competitive landscape includes:

  • Existing treatments with established efficacy.
  • Other pipeline drugs targeting the same pathway.
  • Off-label or combination therapies.

Market share projections depend on:

  • Differentiation based on efficacy, safety, or convenience.
  • Pricing strategies.
  • Regulatory approval and reimbursement.

Leading competitors may have:

  • Larger R&D budgets.
  • More advanced data from phase 2 or 3 trials.
  • Established market presence.

What Are the Key Market and Financial Factors?

Market size:

  • For the primary indication, total addressable market (TAM) ranges in billions USD.
  • Penetration depends on clinical efficacy, physician adoption, and payer coverage.

Pricing assumptions:

  • Orphan drugs: high per-unit pricing (e.g., $200k or more per year).
  • Larger indications: lower per-unit prices but higher volume.

Revenue assumptions:

  • Scenario analysis suggests peak annual revenues could reach hundreds of millions if successful.
  • Development costs:
    • Phase 1 to approval typically cost $50-100 million.
    • Extended trials and commercialization could push total R&D expenditure above $200 million.

Investment risk factors:

  • Clinical trial failure.
  • Delays in regulatory approval.
  • Market entry barriers.
  • Competitive response.

Conclusion on Investment and Fundamentals

Financial viability currently remains speculative, pending positive clinical data. The drug's future depends on successful trial outcomes, patent robustness, and favorable market dynamics. Investors should monitor trial progress, regulatory milestones, and competitive movements.

Key Takeaways

  • SOSOL’s prospects depend on successful early-stage clinical trials and regulatory approvals expected around 2024-2026.
  • Patent life and strength influence potential exclusivity.
  • Market size and pricing heavily impact revenue expectations.
  • Competitive landscape includes established therapies and pipeline drugs.
  • Development costs are significant, with high risks of failure at each phase.

FAQs

  1. What are the main risks associated with investing in SOSOL? Clinical trial failures, regulatory delays, patent challenges, and intense competition.

  2. How does SOSOL’s mechanism of action compare to existing therapies? It involves a novel pathway, potentially offering differentiated efficacy or safety, but requires validation in clinical efficacy.

  3. When could SOSOL generate revenue if approved? Likely around 2026-2028, subject to regulatory timelines and market adoption.

  4. What factors could extend SOSOL’s patent protection? Patent term extensions and supplementary patents on manufacturing processes or indications.

  5. How does the development cost compare to other drugs at similar phases? Estimated $50-100 million from Phase 1 to approval, aligning with industry averages but after accounting for the specific indication and trial size.


References

  1. Clinical trial data, company disclosures.
  2. Market research on the therapeutic area.
  3. Patent filings, legal assessments.
  4. Industry reports on drug development costs.
  5. Regulatory agency guidelines and timelines.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.