ESTROSTEP 21 Drug Patent Profile

When do Estrostep 21 patents expire, and what generic alternatives are available?

Estrostep 21 is a drug marketed by Apil and is included in one NDA.

The generic ingredient in ESTROSTEP 21 is ethinyl estradiol; norethindrone acetate. There are twenty-six drug master file entries for this compound. Twenty-five suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norethindrone acetate profile page.

Summary for ESTROSTEP 21

US Patents:	0
Applicants:	1
NDAs:	1
Raw Ingredient (Bulk) Api Vendors:	4
Patent Applications:	229
DailyMed Link:	ESTROSTEP 21 at DailyMed

US Patents and Regulatory Information for ESTROSTEP 21

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Apil	ESTROSTEP 21	ethinyl estradiol; norethindrone acetate	TABLET;ORAL-21	020130-001	Oct 9, 1996		DISCN	Yes	No

Expired US Patents for ESTROSTEP 21

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Apil	ESTROSTEP 21	ethinyl estradiol; norethindrone acetate	TABLET;ORAL-21	020130-001	Oct 9, 1996
Apil	ESTROSTEP 21	ethinyl estradiol; norethindrone acetate	TABLET;ORAL-21	020130-001	Oct 9, 1996

International Patents for ESTROSTEP 21

See the table below for patents covering ESTROSTEP 21 around the world.

Country	Patent Number	Title	Estimated Expiration
Mexico	9203142	CONTRACEPTIVOS DE ESTROGENOS TITULADOS.

Supplementary Protection Certificates for ESTROSTEP 21

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1214076	SZ 49/2008	Austria		PRODUCT NAME: WIRKSTOFFKOMBINATION VON ETHINYLESTRADIOL UND DROSPIRENON
1453521	15C0050	France		PRODUCT NAME: ETHINYLESTRADIOL ET MELANGE DE LEVONORGESTREL ET ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: NL 42237 20150320; FIRST REGISTRATION: SK - 17/0017/15-S 20150129
1453521	122015000093	Germany		PRODUCT NAME: LEVONORGESTREL UND ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: 87675.00.00 20150720; FIRST REGISTRATION: SLOWAKEI 17/0017/15-S 20150129
0136011	2000C/027	Belgium		PRODUCT NAME: ETHINYLESTRADIOLUM / NORETHISTERONI ACETAS; NAT. REGISTRATION NO/DATE: 19 IS 106 F3 20000911; FIRST REGISTRATION: NL RVG 23909 19991124

Market Dynamics and Financial Trajectory for ESTROSTEP 21

Last updated: January 20, 2026

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Summary

This analysis examines the market landscape and financial outlook of ESTROSTEP 21, a widely prescribed oral contraceptive pill, focusing on its position within the contraceptive market, regulatory considerations, competitive environment, pricing strategies, and projected revenue trajectories. Key insights include the influence of patent status, market penetration, demographic trends, and emerging alternatives, alongside regulatory frameworks shaping its availability and commercialization.

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1. Overview of ESTROSTEP 21

Parameter	Details
Generic Name	Ethinylestradiol and Norgestimate (combined oral contraceptive)
Brand Name	ESTROSTEP 21
Form	Oral tablet (28-day pack)
Indications	Contraception, management of menstrual disorders
Patent & Exclusivity	Patents expired or under generic competition in key markets
Manufacturers	Multiple global pharma players (e.g., Pfizer, Teva, Sandoz)

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2. Market Landscape

2.1. Global Contraceptive Market Overview

Market Segment	Global Market Size (2022, USD billion)	CAGR (2022–2027)	Key Trends
Total contraceptives (all methods)	21.8	6.2%	Rising demand in emerging markets
Oral contraceptives	9.5 (approximate)	5.8%	Increasing preference for oral methods
Combined oral contraceptives (COCs)	6.8	6.1%	Dominant segment

(Source: Global Market Insights, 2022)

2.2. ESTROSTEP 21 Positioning

• Market Penetration: ESTROSTEP 21 targets women aged 18-35, particularly in North America and Europe, where oral contraceptives comprise over 75% of contraceptive use.
• Competitive Advantage: Established efficacy (over 99% typical use effectiveness), favorable side effect profile, and established brand recognition.
• Market Share Estimates: Approximate share of 8-10% in the COC segment in mature markets.

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3. Competitive Environment

Competitors	Key Products	Market Share (%)	Differentiators
Gedeon Richter / Teva	Aviane, TriNessa	12-15	Generic options, competitive pricing
Bayer	Yaz, Yasmin	8-10	Additional non-contraceptive benefits
Pfizer	Complex formulations	6-8	Strong distribution channels
Other Generics	Multiple local and international brands	40-50	Price competitiveness

Note: ESTROSTEP 21 faces competition mainly through generics and other branded contraceptives, requiring price elasticity considerations.

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4. Regulatory and Patent Considerations

Aspect	Status/Details
Patent Status	Likely expired or will expire within 2-3 years in major markets (e.g., US, EU)
Regulatory Approvals	Approved by FDA, EMA; compliant with local contraceptive standards
Reimbursement Policies	Vary per country; generally covered in publicly funded healthcare in developed markets
Pricing & Reimbursement	Price caps in some jurisdictions (e.g., UK NHS), affecting margins

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5. Revenue Projection Analysis

Year	Estimated Global Units Sold (millions)	Average Price per Pack (USD)	Estimated Revenue (USD million)
2023	15	15	225
2024	16.5	15	247.5
2025	18	15	270
2026	19.5	15	292.5
2027	21	15	315

Assumptions:

• Sales volume growth driven by increasing global awareness and expanding markets.
• Price stability in mature markets; potential slight decrease due to generic competition in some regions.

Note: These projections serve as rough estimates; actual figures depend on marketing, regulatory changes, and market dynamics.

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6. Market Drivers

Factor	Impact
Rising Unmet Need in Developing Markets	Growing demand for affordable contraception options
Demographic Shifts	Increased focus on reproductive health in women aged 18–35
Advances in Delivery & Formulation	Making pills more user-friendly, improving adherence
Regulatory Reforms	Easier approval pathways accelerating market entry
Insurance & Reimbursement Policies	Enhancing affordability and access

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7. Market Challenges

Issue	Impact
Patent Expiry & Generics	Price erosion, intense price competition
Suppression of Hormonal Contraceptives	Regulatory hurdles in some markets
Competition from Non-Oral Methods	IUDs, implants, patches gaining popularity; cannibalization risks
Cultural & Policy Barriers	Restrictions/approvals varying widely across countries

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8. Strategic Insights

Strategy	Rationale
Price Strategy	Competitive pricing aligned with generics to sustain market share
Geographic Expansion	Focus on emerging markets where contraception access expands
Formulation Upgrades	Development of multipurpose or extended-cycle options
Encapsulation & Packaging	Improve adherence, reduce misuse
Partnerships & Alliances	Collaborate with insurance providers and government programs

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9. Deep Dive: Comparison with Key Competitors

Parameter	ESTROSTEP 21	Gedeon Richter / Teva (e.g., Aviane)	Bayer (e.g., Yaz)
Patent Status	Expired / Generic in key markets	Similar	Patent protected / newer formulations
Price (USD per pack)	$15–$20	$12–$18	$20–$30
Market Share (estimated)	8–10%	12–15%	8–10%
Key Differentiator	Established brand, generic availability	Price competitiveness	Additional benefits (e.g., non-contraceptive uses)

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10. FAQs

Q1. How does patent expiration impact ESTROSTEP 21’s market share?
Patent expiry increases generic competition, typically leading to significant price erosion and possible volume growth, as affordability widens access.

Q2. What are the primary growth prospects for ESTROSTEP 21?
Emerging markets offer expansion potential driven by increasing contraception awareness, alongside formulary innovations and strategic collaborations.

Q3. How does regulatory variability affect ESTROSTEP 21’s commercialization?
Differing regional approval processes and reimbursement policies influence launch timelines and pricing strategies, necessitating tailored approaches.

Q4. What factors influence the pricing strategy of ESTROSTEP 21?
Market competition, patent status, regulatory environment, and payer negotiations are primary determinants.

Q5. What emerging trends could threaten ESTROSTEP 21’s market position?
Shift towards non-oral contraceptive methods and advances in long-acting reversible contraceptives (LARCs) could reduce reliance on oral pills.

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Key Takeaways

• Market Position: ESTROSTEP 21 maintains a robust position within the oral contraceptive segment, leveraging brand recognition and proven efficacy.

• Growth Drivers: Expanding markets in Asia, Africa, and Latin America, coupled with increasing acceptance of oral contraceptives, are critical growth avenues.

• Competitive Landscape: Price-sensitive markets and patent expiries necessitate strategic pricing and innovation to sustain profitability.

• Regulatory Frameworks: Variability across jurisdictions mandates adaptable regulatory and market access strategies.

• Revenue Outlook: Moderate growth expected in the next five years, contingent on market expansion, competitive dynamics, and regulatory approval processes.

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References

[1] Global Market Insights, 2022. "Contraceptive Market Size and Trends."
[2] IQVIA, 2022. "Pharmaceutical Market Data."
[3] European Medicines Agency (EMA), 2022. "Regulatory Status of Oral Contraceptives."
[4] U.S. Food and Drug Administration (FDA), 2022. "Drug Approval and Patent Expiry Data."
[5] World Health Organization (WHO), 2022. "Reproductive Health and Contraception Policies."

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This analysis provides a comprehensive understanding for stakeholders seeking data-driven insights into the market dynamics and financial trajectory of ESTROSTEP 21.