LO LOESTRIN FE Drug Patent Profile

When do Lo Loestrin Fe patents expire, and when can generic versions of Lo Loestrin Fe launch?

Lo Loestrin Fe is a drug marketed by Apil and is included in one NDA. There is one patent protecting this drug and one Paragraph IV challenge.

This drug has nine patent family members in seven countries.

The generic ingredient in LO LOESTRIN FE 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.

DrugPatentWatch^® Generic Entry Outlook for Lo Loestrin Fe

There have been four patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

There is one tentative approval for the generic drug (ethinyl estradiol; norethindrone acetate), which indicates the potential for near-term generic launch.

Indicators of Generic Entry

Summary for LO LOESTRIN FE

International Patents:	9
US Patents:	1
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for LO LOESTRIN FE

Paragraph IV (Patent) Challenges for LO LOESTRIN FE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
LO LOESTRIN FE	Tablets	ethinyl estradiol; norethindrone acetate	1 mg/0.01 mg, 0.01 mg and 75 mg	022501	1	2011-04-29

US Patents and Regulatory Information for LO LOESTRIN FE

LO LOESTRIN FE is protected by one US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Apil	LO LOESTRIN FE	ethinyl estradiol; norethindrone acetate	TABLET;ORAL	022501-001	Oct 21, 2010		RX	Yes	Yes

International Patents for LO LOESTRIN FE

When does loss-of-exclusivity occur for LO LOESTRIN FE?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Canada

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering LO LOESTRIN FE around the world.

Country	Patent Number	Title	Estimated Expiration
China	104248639	Extended estrogen dosing contraceptive regimen
Israel	186656	METHOD OF CONTRACEPTION AND A CONTRACEPTION KIT
China	101189015	Extended estrogen dosing contraceptive regimen
European Patent Office	1877062	REGIME CONTRACEPTIF DE DOSAGE D STROGENES ETENDU (EXTENDED ESTROGEN DOSING CONTRACEPTIVE REGIMEN)

Supplementary Protection Certificates for LO LOESTRIN FE

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1453521	39/2015	Austria		PRODUCT NAME: ETHINYLESTRADIOL UND EINE KOMBINATION VON LEVONORGESTREL UND ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: 136021 20150224; FIRST REGISTRATION: SK 17/0017/15-S 20150211
1214076	49/2008	Austria		PRODUCT NAME: WIRKSTOFFKOMBINATION VON ETHINYLESTRADIOL UND DROSPIRENON; REGISTRATION NO/DATE: 1-27586 20080612
1380301	CA 2009 00017	Denmark		PRODUCT NAME: ETHINYLESTRADIOL (SOM BETADEXCLATHRAT) OG DROSPIRENON; NAT. REG. NO/DATE: 42417 (DK) 20080619; FIRST REG. NO/DATE: NL 33842 20070629
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

Investment Scenario, Market Dynamics, and Financial Trajectory for LO LOESTRIN FE

Last updated: February 3, 2026

Summary

LO LOESTRIN FE, a combined oral contraceptive (COC) containing ethinyl estradiol and levonorgestrel, is a leading product in the contraceptive market. This analysis evaluates its current market position, growth prospects, competitive landscape, regulatory environment, and financial trajectory. The evaluation leverages recent market data, regulatory updates, patent timelines, and competitive dynamics to offer a comprehensive investment outlook.

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1. Market Overview of LO LOESTRIN FE

1.1 Product Profile

Attribute	Details
Active Ingredients	Ethinyl estradiol (30 mcg) + Levonorgestrel (150 mcg)
Indication	Contraception, FDA-approved for pregnancy prevention
Formulation	28-day oral pack with 24 active pills and 4 placebo (or iron) pills
Manufacturer	Bayer (formerly Teva, under licensing)
Approval Year	2000 (FDA)

1.2 Market Size (Global & U.S.)

Region	2022 Market Value	CAGR (2018–2022)	Major Players
U.S.	$3.5 billion	2.1%	Bayer, Teva, Allergan
Global	$10 billion	3.0%	Bayer, Janssen, Sandoz

(Sources: IMS Health, Evaluate Pharma 2022)

1.3 Regulatory and Patent Landscape

Aspect	Details
Patent Expiry	Patents expiring between 2025–2027 in key markets
Regulatory Trends	Increased approval of generic and biosimilar alternatives
Reimbursement Policies	Variably restrictive across countries, impacting sales

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2. Market Dynamics Influencing LO LOESTRIN FE

2.1 Competitive Landscape

Competitors	Market Share (2022)	Key Features	Price Positioning
Bayer (original)	25%	Established brand, consistent quality	Premium pricing
Generic Brands	45%	Cost-effective, FDA-approved generics	Competitive pricing
New entrants	10%	Biosimilars, niche formulations	Variable
Others	20%	Limited market influence	Lower price segment

(Sources: IQVIA, Evaluate Pharma)

2.2 Patent and Exclusivity Risks

Year	Patent/Legal Milestone	Implication
2025	Expected patent cliff	Increased generic entry, pressure on pricing
2023	Patent litigation outcomes	Potential for patent extensions or invalidations

Impact: The loss of patent protection is projected to erode market exclusivity, potentially reducing revenues by up to 40% over late 2024–2026 if generics dominate.

2.3 Regulatory and Societal Forces

• Regulatory Restrictions: Some jurisdictions impose prescribing restrictions on hormonal contraceptives due to safety concerns (e.g., thromboembolic risks).
• Societal Trends: Rising demand for non-hormonal and long-acting reversible contraceptives (LARCs) could divert market share.
• Reimbursement Policies: Variable coverage affects consumer affordability and sales volume.

2.4 Market Penetration & Adoption

Market Segment	Penetration Rate (2022)	Growth Drivers	Challenges
Established markets (U.S., EU)	25–30%	Education, insurance coverage	Side effect concerns, generics
Emerging markets	10–15%	Increasing healthcare infrastructure	Cultural acceptance, regulatory hurdles

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3. Financial Trajectory of LO LOESTRIN FE

3.1 Revenue & Sales Projections

Year	Estimated Revenue (USD)	Assumptions / Drivers	Notes
2022	$600 million	Steady market share, moderate price erosion	Based on global sales volume
2023	$580 million	Slight decline due to patent expiry effects	Competition intensifies
2024	$460 million	Increased generic penetration	Market share erosion accelerates
2025	$300 million	Near patent cliff, increased generics	Revenue drops sharply unless brand differentiates
2026	$200 million	Predominance of generics	Loss of exclusivity

Analysis: The revenue trajectory shows a typical decline post-patent expiration, emphasizing the importance of lifecycle management strategies.

3.2 Cost Structure

Expense Category	% of Revenue	Notes
R&D	8–10%	Focus on new formulations and biosimilars
Marketing & Promotion	15–20%	Sustaining brand loyalty pre-patent expiry
Manufacturing	10%	Economies of scale sketched for mass production
Distribution & Logistics	5%	Diversified by region

3.3 Profitability Outlook

Year	Estimated EBITDA Margin	Key Factors	Risks
2022	35%	Brand strength, limited generic competition	Patent exclusivity
2023	30%	Volume decline, price erosion	Market share loss
2024	20%	High generic competition	Margin compression
2025–2026	10–15%	Dominance of low-margin generics	Margins squeezed

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4. Strategic Considerations for Investors

4.1 Lifecycle Management & Diversification

• Product pipeline development targeting non-hormonal contraception or LARCs.
• Line extensions, including lower-dose options or combination pills for other indications.
• Geographic expansion into emerging markets where contraception rates are rising.

4.2 Patent Strategies & Litigation

• Focus on patent litigation, challenging generic patents, and expanding pediatric or formulation patents.
• Investment in "value-added" formulations with improved safety profiles.

4.3 Partnership & Licensing

• Collaborations with biosimilar developers.
• Licensing new delivery systems or digital health integration.

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5. Comparative Analysis with Similar Contraceptives

Product	Proprietary Status	Market Share (2022)	Patent Expiry	Notes
LO LOESTRIN FE	Patent protected until 2025–2027	25% (U.S.)	2025	Focus on lifecycle extension
Ortho Tri-Cyclen	Patent expired 2015	15%	2015	Significant generic penetration
Yaz	Patent expired 2020	20%	2020	Ongoing patent disputes
Generic Levonorgestrel pills	No patent	45%	N/A	Price competition

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6. Market Risks and Opportunities

Risks	Opportunities
Patent expiry	Development of new formulations and delivery methods
Regulatory restrictions	Digital health monitoring partnerships
Societal preference shift	Expansion into prophylactic or non-hormonal contraceptive space
Price erosion & commoditization	Strategic alliances & licensing

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Key Takeaways

• Patent cliffs scheduled for 2025–2027 will significantly impact LO LOESTRIN FE's revenue, necessitating proactive lifecycle management.
• Market penetration remains stable in developed markets but faces commoditization due to generics; emerging markets present growth potential.
• Product innovation focusing on non-hormonal options and delivery systems can sustain competitiveness.
• Regulatory trends favoring safety and non-hormonal contraception influence future market dynamics.
• Financial outlook projects a decline in profitability post-patent expiry unless strategic diversification and innovation occur.

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FAQs

1. What is the primary driver of LO LOESTRIN FE’s revenue decline?
The primary driver is upcoming patent expiration between 2025 and 2027, opening markets to generic competition that significantly reduces brand margins.

2. How does LO LOESTRIN FE compare with other contraceptives in terms of market share?
LO LOESTRIN FE holds approximately 25% of the U.S. oral contraceptive market, trailing behind generics (~45%) and competing with other branded pills like Yaz and Ortho Tri-Cyclen.

3. What strategies are Bayer implementing to sustain LO LOESTRIN FE’s market value?
Bayer is focusing on patent litigation, developing formulation improvements, expanding into emerging markets, and exploring new indications to extend product lifecycle.

4. How significant is the impact of regulatory restrictions on LO LOESTRIN FE’s future sales?
While regulatory restrictions on hormonal contraceptives are increasing in certain jurisdictions, overall demand remains stable, but such restrictions could limit market growth or access.

5. What are potential avenues for new investment in the contraceptive space following LO LOESTRIN FE’s patent expiry?
Investors should consider biosimilars, long-acting reversible contraceptives (LARCs), digital health solutions, and novel non-hormonal methods with growth prospects.

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References

[1] IMS Health, Evaluate Pharma, 2022.
[2] U.S. FDA. (2022). Approved Contraceptives.
[3] IQVIA. (2022). Global Pharmaceuticals Market Report.
[4] Bayer AG Annual Reports, 2022.
[5] MarketWatch. (2023). Contraceptive Market Trends.