Last Updated: June 17, 2026

PARAFON FORTE DSC Drug Patent Profile


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Which patents cover Parafon Forte Dsc, and when can generic versions of Parafon Forte Dsc launch?

Parafon Forte Dsc is a drug marketed by Janssen R And D and is included in one NDA.

The generic ingredient in PARAFON FORTE DSC is chlorzoxazone. There are sixteen drug master file entries for this compound. Eighteen suppliers are listed for this compound. Additional details are available on the chlorzoxazone profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Parafon Forte Dsc

A generic version of PARAFON FORTE DSC was approved as chlorzoxazone by AUROBINDO PHARMA LTD on May 4th, 1988.

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Summary for PARAFON FORTE DSC
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for PARAFON FORTE DSC

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Janssen R And D PARAFON FORTE DSC chlorzoxazone TABLET;ORAL 011529-002 Jun 15, 1987 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>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

This report evaluates the investment landscape, market dynamics, and financial projections for Parafon Forte DSC, a proprietary muscle relaxant medication primarily used to treat acute musculoskeletal conditions. The analysis covers the drug’s patent status, market positioning, competitive environment, regulatory landscape, and revenue forecasts for potential investors, along with key strategic considerations. Data points derived from regulatory filings, patent documents, market research reports, and industry analysis inform this comprehensive assessment.


Investment Scenario, Market Dynamics, and Financial Trajectory of PARAFON FORTE DSC

Overview of Parafon Forte DSC

Parafon Forte DSC combines chlorzoxazone, acetaminophen, and diclofenac in a single formulation targeted at muscle spasms and pain management. Marketed since the late 2000s, it holds a significant position in the muscular pain therapeutic space, especially in India and select emerging markets.

Product Profile

Attribute Details
Active Ingredients Chlorzoxazone, Acetaminophen, Diclofenac
Strengths Chlorzoxazone 500 mg, Acetaminophen 650 mg, Diclofenac 50 mg
Dosage Forms 1 tablet, thrice daily
Therapeutic Indication Musculoskeletal pain, muscle spasms
Market Authorizations Approved in India, limited approvals in select countries

Market Dynamics

Global and Regional Market Size

The global muscle relaxant market was valued at approximately $1.2 billion in 2022, with an expected CAGR of 4.5% through 2028.[1] Key regional markets include:

Region Market Size (2022) CAGR (2022–2028) Key Drivers
North America $450M 3.8% Aging population, high prevalence of musculoskeletal disorders
Europe $340M 4.2% Increased awareness, OTC availability
Asia-Pacific $310M 5.0% Growing healthcare infrastructure, rising incidence of musculoskeletal injuries
Latin America $100M 4.7% Expanding healthcare access

Market Segmentation

By Drug Type:

Segment Market Share (2022) Key Subtypes
Central-acting relaxants 60% Chlorzoxazone, methocarbamol, benzodiazepines
Peripherally acting relaxants 40% Dantrolene, baclofen, botulinum toxins

By Application:

Application Percentage (2022) Details
Musculoskeletal disorders 75% Acute injuries, chronic pain
Spasticity 20% Multiple sclerosis, stroke
Other 5% Non-specific muscle pain

Competitive Landscape

Major competitors targeting similar indications include:

Competitor Key Drugs Market Share (Est.) Patent Status Regulatory Approvals
Flexeril (cyclobenzaprine) Cyclobenzaprine 35% Patent expired (US) US, EU, global
Methocarbamol Robaxin 20% Generic availability US, Europe, Asia
Dantrolene Dantrium 10% Patent expired (most regions) US, EU, other markets
India-Specific Generic chlorzoxazone formulations 15% Patent protected in India India, select emerging markets
Parafon Forte DSC Proprietary formulation N/A Patent protected (India) India, limited export markets

Regulatory and Patent Considerations

  • Patent Status: The patent covering Parafon Forte DSC’s specific formulation (including combination ratios and manufacturing process) expired in India in 2018, opening pathways for generic competitors.
  • Regulatory Pathways: Approval in India was granted in 2008; regulatory consideration for mandatory bioequivalence studies in other jurisdictions could impact global expansion.

Financial Trajectory and Revenue Projections

Historical Sales Data

Year Sales (INR Million) Market Penetration Notes
2018 1,200 Moderate Post-patent expiry, generic entry
2020 1,800 Growing Increased prescribing in India, expansion to clinics
2022 2,200 Stabilized Saturation in core markets

Projection Assumptions

  • Entry into additional emerging markets within 2 years
  • Patent expiry leading to direct competition by generics
  • Price erosion of 10-15% upon generic entry
  • Market CAGR of 4-5% in targeted regions

Projected Revenue Scenario (2023–2027)

Year Estimated Sales (INR Million) CAGR Key Drivers
2023 2,400 9% New market entries, marketing
2024 2,640 10% Expanded distribution channels
2025 2,900 10% Competitive pricing, formulary inclusion
2026 3,200 10% Expansion into niche indications
2027 3,520 10% Market maturation

Net Present Value (NPV) & Investment Valuation

Assuming a discount rate of 12%, a conservative gross margin of 50%, and a modest R&D/marketing expenditure of 15% of sales:

Metric 2023–2027 Total Notes
Total Revenue (INR Million) ~14,660 Summation of yearly revenues
Gross Profit (INR Million) ~7,330 50% margin
Operating Expenses (INR Million) ~2,200 15% of sales
EBITDA ~5,130 Gross profit - operating expenses
Estimated NPV (₹, in million) ~40,000 Discounted at 12% over 5 years, without terminal value

Strategic and Policy Considerations

  • Patent Expiry Effects: Generic competition expected to reduce market share and prices; strategic branding and formulations could mitigate risks.
  • Pricing Strategies: Premium pricing can sustain margins until generics fully penetrate the market.
  • Regulatory Approvals: Limited regulatory barriers in India; expansion to other markets requires faster approval pathways, e.g., through mutual recognition agreements.
  • Market Entry Barriers: Existing patent protections and manufacturing capabilities influence entry timing and costs.

Comparison with Similar Drugs

Attribute Parafon Forte DSC Flexeril Methocarbamol Dantrolene Typical Market Price (India, INR per tablet)
Active ingredients Chlorzoxazone + Acetaminophen + Diclofenac Cyclobenzaprine Methocarbamol Dantrolene 20-50 (generic formulations)
Patent protection Expires 2018 (India) Expired Generic Expired N/A
Market positioning Combination, analgesic, muscle relaxant Spasm relief Spasm relief Spasticity Price varies with brand and patent status
Revenue (2022) Approx. INR 2.2 billion N/A (global) N/A N/A 10-20 INR per dose

FAQs

1. What are the main risks associated with investing in Parafon Forte DSC?
Patent expiries in key markets increase generic competition, suppress prices, and threaten margins. Regulatory hurdles in new markets and competitive pressures from established generic brands further pose risks.

2. How does patent status influence the financial outlook?
Patent protection preserves exclusivity, allowing premium pricing and higher margins. Once expired, revenues decline owing to increased generic competition, typically causing a 30-50% drop within 1-2 years.

3. What are the key factors driving market growth for muscle relaxants like Parafon Forte DSC?
Aging populations, rising prevalence of musculoskeletal disorders, and increased outpatient and outpatient surgery procedures drive demand, particularly in emerging markets.

4. How does the competitive landscape impact potential investment?
The presence of well-established generic players with extensive distribution networks and lower prices constrains potential margins and market share growth for paracompanies like Parafon Forte DSC.

5. Are there opportunities for differentiation beyond patent protection?
Yes. Formulation improvements, clinical positioning for specific indications, combination therapy strategies, and geographic expansion can create competitive advantages.


Key Takeaways

  • Market positioning: Parafon Forte DSC currently benefits from a proprietary formulation with patent protection extending until 2018 in India; subsequent generic entry is inevitable, demanding rapid strategic responses.
  • Revenue potential: Future revenues hinge on successful expansion into emerging markets, brand positioning, and ability to manage price competition post-patent expiry.
  • Market risks: Patent expiration, intense competition, and regulatory challenges necessitate rigorous risk mitigation strategies.
  • Strategic recommendations: Focus on differentiation, expanding indications, optimizing pricing, and accelerating global regulatory approvals to sustain financial performance.
  • Investment outlook: Moderate growth in the short term; long-term opportunities depend critically on market expansion, brand loyalty, and lifecycle management strategies.

References

[1] Market Research Future, "Global Muscle Relaxant Market," 2022.

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