Last Updated: May 10, 2026

SEROPHENE Drug Patent Profile


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Which patents cover Serophene, and what generic alternatives are available?

Serophene is a drug marketed by Emd Serono and is included in one NDA.

The generic ingredient in SEROPHENE is clomiphene citrate. There are sixteen drug master file entries for this compound. Nine suppliers are listed for this compound. Additional details are available on the clomiphene citrate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Serophene

A generic version of SEROPHENE was approved as clomiphene citrate by COSETTE on August 30th, 1999.

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Summary for SEROPHENE
Recent Clinical Trials for SEROPHENE

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US Patents and Regulatory Information for SEROPHENE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Emd Serono SEROPHENE clomiphene citrate TABLET;ORAL 018361-001 Mar 22, 1982 DISCN No 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

Market Dynamics and Financial Trajectory for Serophene (Clomiphene Citrate)

Last updated: March 1, 2026

What Is the Current Market Position of Serophene?

Serophene, the brand of clomiphene citrate, is primarily used to treat infertility in women by inducing ovulation. It is a well-established generic, with the original patent expired in the mid-1990s. The drug's global sales have remained steady, supported by its status as a first-line therapy for infertility.

Market estimates suggest the global fertility drugs market was valued at approximately USD 4.8 billion in 2022, with clomiphene citrate accounting for a significant segment. North America and Europe dominate, with emerging markets in Asia-Pacific and Latin America showing rapid growth due to increasing infertility rates and improved healthcare access.

How Do Market Dynamics Influence Future Revenue?

Regulatory Environment

Clomiphene citrate has no active patent restrictions, enabling most generic manufacturers to produce it. Regulatory agencies in key markets (FDA, EMA, NMPA) maintain streamlined approval processes for generics, reducing barriers to market entry.

Patent expiration in the 1990s led to widespread generic availability, creating a competitive landscape that depresses prices but sustains steady volume sales.

Competitive Landscape

Multiple producers of clomiphene citrate, including Teva, Sandoz, and local manufacturers in emerging markets, create price pressure. The absence of patent protection means no differentiation based on formulation or delivery methods.

Market share remains stable among established players, with some growth driven by marketing and supply chain expansion.

Clinical and Demographic Drivers

Aging populations in developed countries increase demand for fertility treatments, but cross-border reproductive tourism sustains sales globally. The rise in couples seeking fertility assistance, coupled with social trends delaying childbearing, boosts retail and hospital orders.

Alternative Therapies and Market Substitutes

Newer medications, such as gonadotropins and aromatase inhibitors, target specific infertility cases but do not replace clomiphene citrate entirely. Cost-effectiveness and ease of oral administration favor clomiphene, maintaining its prominence.

Market Risks

Legal and regulatory changes, especially regarding off-label use or safety concerns, could affect demand. Reports of potential ovarian hyperstimulation and multiple pregnancies may prompt restrictions.

What Is the Financial Trajectory Looking Like?

Revenue Trends

Global sales of clomiphene citrate approximated USD 150 million annually. The important factors influencing revenue include:

  • Pricing: Generics have low margins, with potential for price erosion as competition intensifies.
  • Volume: Steady demand driven by fertility clinics, hospitals, and retail pharmacies.
  • Market Penetration: Growth in emerging markets expands access.

Pricing Projections

The average retail price of a 50 mg tablet ranges from USD 0.10 to USD 0.20 in the U.S. and EUR 0.15 to EUR 0.25 in Europe. Price declines of 2-3% annually are expected due to increasing generic competition.

Manufacturing Costs

Manufacture of clomiphene citrate involves relatively low-cost synthesis, with average costs below USD 0.05 per tablet. Margins are heavily influenced by packaging, distribution, and regulatory compliance costs.

Future Revenue Opportunities

  • Market Expansion: Growth in developing regions owing to increased infertility awareness.
  • Formulation Development: New delivery forms might command premium pricing.
  • Brand Strategies: Creating branded versions in markets where generics are less dominant could improve margins.

Financial Risks

  • Regulatory Risks: Safety concerns can lead to usage restrictions, impacting sales.
  • Legal Risks: Patent disputes are unlikely given patent expiration but remain a potential issue for newer formulations.
  • Market Competition: Price wars reduce profit margins; consolidation may limit options for new entrants.

Which Market Access Strategies Are Effective?

  • Cost Leadership: Competing on low prices and broad availability.
  • Brand Differentiation: Promoting quality and consistency in regimens.
  • Geographical Expansion: Targeting markets with growing infertility prevalence.
  • Partnerships: Collaborations with local pharmaceutical firms to facilitate access.

Key Takeaways

  • The global market for clomiphene citrate remains steady, driven by its affordability and established clinical efficacy.
  • Competition among generic manufacturers suppresses margins but ensures stable demand.
  • Emerging markets and demographic shifts increase future growth potential.
  • Regulatory developments and safety concerns could alter the market landscape.
  • Revenue projections indicate limited growth but consistent cash flow, primarily from volume sales.

FAQs

1. Is Serophene still under patent protection?
No. Its patent expired in the mid-1990s, making it widely available as a generic.

2. What factors influence the price of Serophene?
Pricing is affected by market competition, manufacturing costs, regulatory requirements, and regional pricing policies.

3. Are there new formulations of clomiphene citrate?
Currently, no approved novel formulations exist; the drug is primarily available as tablets.

4. How significant is the role of emerging markets in the future sales of Serophene?
Emerging markets present notable growth opportunities due to increasing infertility awareness and improved healthcare infrastructure.

5. What are the main risks for the financial stability of Serophene sales?
Regulatory restrictions related to safety issues, legal disputes, and increased competition leading to price erosion pose significant risks.


References

[1] MarketWatch. (2023). Fertility Drugs Market Size, Trends & Forecasts.
[2] U.S. Food and Drug Administration. (2022). Drug approvals and labeling.
[3] European Medicines Agency. (2022). Marketing authorization applications.
[4] Grand View Research. (2023). Fertility Drugs Market Size & Share Analysis.
[5] Reuters. (2022). Generic drug market trends and legal considerations.

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