PREVEN EMERGENCY CONTRACEPTIVE KIT Drug Patent Profile

When do Preven Emergency Contraceptive Kit patents expire, and when can generic versions of Preven Emergency Contraceptive Kit launch?

Preven Emergency Contraceptive Kit is a drug marketed by Teva Branded Pharm and is included in one NDA.

The generic ingredient in PREVEN EMERGENCY CONTRACEPTIVE KIT is ethinyl estradiol; levonorgestrel. There are twenty-six drug master file entries for this compound. Twenty-three suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; levonorgestrel profile page.

Summary for PREVEN EMERGENCY CONTRACEPTIVE KIT

US Patents:	0
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for PREVEN EMERGENCY CONTRACEPTIVE KIT

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Teva Branded Pharm	PREVEN EMERGENCY CONTRACEPTIVE KIT	ethinyl estradiol; levonorgestrel	TABLET;ORAL	020946-001	Sep 1, 1998		DISCN	No	No

International Patents for PREVEN EMERGENCY CONTRACEPTIVE KIT

See the table below for patents covering PREVEN EMERGENCY CONTRACEPTIVE KIT around the world.

Country	Patent Number	Title	Estimated Expiration
World Intellectual Property Organization (WIPO)	9742959
Japan	2000511890
Canada	2253289
European Patent Office	0904084
Australia	2558297

Supplementary Protection Certificates for PREVEN EMERGENCY CONTRACEPTIVE KIT

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0771217	CA 2006 00038	Denmark		PRODUCT NAME: ETHINYLESTRADIOL (SOM BETA-CYCLODEXTRIN-CLATHRAT) OG DROSPIRENON; NAT. REG. NO/DATE: 38687 20060627; FIRST REG. NO/DATE: EU RVG 31781 20050804
1453521	122015000093	Germany		PRODUCT NAME: LEVONORGESTREL UND ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: 87675.00.00 20150720; FIRST REGISTRATION: SLOWAKEI 17/0017/15-S 20150129
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
1380301	2009C/007	Belgium		PRODUCT NAME: DROSPIRENONE-ETHINYLESTRADIOL; AUTHORISATION NUMBER AND DATE: BE321386 20080811
1453521	300814	Netherlands		PRODUCT NAME: LEVONORGESTREL EN ETHINYLESTRADIOL; NATIONAL REGISTRATION NO/DATE: RVG 117453 20151211; FIRST REGISTRATION: SK 17/0017/15-S 20150211
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

Last updated: April 25, 2026

Investment Scenario and Fundamentals Analysis: PREVEN EMERGENCY CONTRACEPTIVE KIT

PREVEN EMERGENCY CONTRACEPTIVE KIT is a branded emergency contraception product marketed by Hovid B. V. / Hovid (trade name presented as “PREVEN” in product listings and pharmacy channels). The commercial thesis depends on (1) regulatory allowance of the active ingredient and label claims for emergency use, (2) distribution access via retail and institutional channels, and (3) competitive positioning versus other emergency contraception formats (single-dose oral regimens and branded combinations).

What is the product, and what does it compete with?

Emergency contraception products are primarily differentiated by active ingredient, dosing regimen, route, and date-of-use constraints (time to use after unprotected intercourse). In many markets, the therapeutic category is crowded by generics and multiple brands, with competitive advantage shifting toward supply reliability, price-per-dose, and formulary access.

Key competitive set typically includes:

• Levonorgestrel-based emergency contraception kits (single or multi-dose oral regimens)
• Ulipristal acetate-based emergency contraception (oral)
• Copper intrauterine device emergency contraception (non-kit, clinic-administered)

PREVEN’s investability hinges on whether the brand is positioned as a kit with specific dosing convenience, packaging, and distribution footprint rather than a differentiated molecular patent position.

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Is PREVEN Emergency Contraceptive Kit IP-protected for long-term exclusivity?

A long-duration investment case for a branded emergency contraception asset requires evidence of enforceable composition-of-matter, formulation, or method-of-use exclusivity in the relevant jurisdictions and time windows. The category is heavily associated with off-patent active ingredients in most major markets, and emergency contraception products are frequently sold as generics.

Because this analysis must be grounded in demonstrable facts, there is no complete, jurisdiction-mapped patent estate and expiry schedule provided for PREVEN in the input. Without an auditable patent list, the base-case investment position should be treated as distribution- and brand-driven rather than IP-driven.

Business implication: The product’s value tends to track channel penetration, procurement contracts, and pricing power, not milestone-driven monopoly returns.

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What are the commercial fundamentals to underwrite?

1) Demand drivers

Emergency contraception demand is driven by:

• Frequency of unprotected intercourse events (broadly stable underlying demand)
• Public awareness and guideline adherence
• Legal and pharmacy availability (whether the product is stocked and accessible)
• Brand and packaging convenience (kit format can reduce friction at point of sale)

2) Pricing and margin structure

Emergency contraception markets usually compress margins due to:

• Multiple competing products, often with bioequivalent generics
• Government or large-buyers price pressure
• Promotion cycles around peak retail periods

Underwriting approach should focus on:

• Price-per-dose versus nearest equivalent products
• Net revenue durability under generic substitution
• Cost-to-serve efficiency (small pack, high turnover, predictable shelf life assumptions)

3) Supply chain risk

For emergency contraception, supply reliability is material:

• API and intermediate sourcing continuity
• Manufacturing compliance and batch release stability
• Cold chain requirements, if any (most oral emergency contraception regimens are not cold-chain, but kit-specific packaging can still affect warehousing and distribution)

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How should you frame an investment scenario for PREVEN?

Base case (most likely): Brand + channel execution, not IP exclusivity

If PREVEN’s active ingredient is off-patent in most markets, a realistic scenario assumes:

• Competitive pricing
• Reliance on retail and institutional procurement
• Margin management through supply scale and distributor terms

What to look for in revenue performance

• Stable volume growth in pharmacy channels
• Retention of share against lower-cost competitors
• Low trade spend reliance (or controlled promotion intensity)
• Consistent reorder cadence from distributors

Upside scenario: Formulary and procurement wins

The best-case path for an emergency contraception brand is broad procurement placement:

• National or regional pharmacy formularies
• Hospital and clinic stocking programs
• Bulk tenders by NGOs and public health buyers

Signals

• Expansion in distribution partners
• Public tender awards (if tracked)
• Increase in available SKU count and shelf presence

Downside scenario: Generic substitution and pricing erosion

Downside typically shows up as:

• Rapid share loss to lower-priced alternatives
• Higher rebate and discount needs to maintain shelf placement
• Lead-time issues with distributors

Signals

• Revenue decline despite stable unit demand (price compression)
• Increased promotional spend without volume lift
• Distributor inventory drawdown and fewer POs

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Where does regulatory reality sit for emergency contraception kits?

Emergency contraception is generally treated as an established therapeutic category with regulatory clearance by national authorities. For investment underwriting, the critical variable is whether PREVEN’s specific presentation (kit form, dosing instructions, packaging, and labeling) matches current regulatory expectations in target markets.

Regulatory clearance implications

• Label accuracy and dosing instructions affect outcomes and trust
• Age and access restrictions influence channel and conversion
• Advertising and promotional rules shape the cost of customer acquisition

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What is the market access and distribution model for such products?

Emergency contraception kits typically move through:

• Retail pharmacies
• Drugstore chains
• Wholesale distributors serving pharmacy networks
• Institutional buyers (public health programs, clinics)

A kit format can support:

• Faster point-of-sale fulfillment
• Consumer comprehension via clear instructions and packaging
• Lower risk of dosing errors versus loose product configurations (if the kit includes dosing/timing guidance)

The investment model is therefore distribution economics:

• Distributor margin and credit terms
• Returns policy and shelf-life protection
• Retail merchandising and availability

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How do you benchmark PREVEN against category peers?

A category peer benchmark should normalize on:

• Active ingredient and dosing regimen
• Price per effective regimen (not just pack price)
• Availability (stocking prevalence)
• Ease-of-use (kit vs single pack)
• Time-to-use guidance and label restrictions

Benchmarking table (framework)	Dimension	How it affects PREVEN	What to benchmark vs
Net price per regimen	Directly drives gross margin and reorder behavior	Closest branded and generic oral EC products
Channel penetration	Determines volume ceiling	Pharmacy count, distributor reach, hospital stocking
SKU format	Influences shelf presence and consumer choice	Kit vs single-dose formats
Label and access rules	Impacts conversion at point of sale	Market-specific restrictions and guidelines
Supply stability	Protects shelf continuity and distributor confidence	Competitors with reliable batch release

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What fundamental metrics should drive an investment decision?

Revenue quality and durability

• Unit volume trends in the first 12 to 24 months after distribution expansion
• Mix shift between branded and promotional units
• Evidence of sustained shelf share (not just one-time launches)

Margin structure

• Gross margin volatility tied to API sourcing and competition
• Net revenue after distributor rebates and trade spend
• Cost of goods stability and manufacturing yield

Cash conversion and working capital

• Inventory turns and distributor inventory policy
• Credit terms and collection reliability
• Shelf-life management costs for fast-moving OTC-like products

Operating leverage

• Relationship between sales growth and marketing spend intensity
• Distributor negotiation leverage with scale

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What are the patent-driven risks versus non-patent risks?

Patent-driven risks (if off-patent)

• Price erosion through generics
• Loss of brand premium
• Reduced ability to sustain higher net price without differentiation

Non-patent risks (dominant for this category)

• Channel disintermediation through low-cost entrants
• Regulatory label revisions or tightened promotional rules
• Supply disruptions affecting availability

Investment implication: For emergency contraception, category winners usually optimize supply reliability and distribution economics, not long-run patent exclusivity.

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Key Takeaways

• PREVEN Emergency Contraceptive Kit should be underwritten primarily as a distribution and brand execution asset within a crowded emergency contraception category, where competitive pricing and channel access dominate outcomes.
• A durable high-margin case requires evidence of sustainable net pricing power and procurement/formulary placement, not just launch traction.
• Without auditable IP exclusivity details in the provided information, treat the base case as non-exclusivity economics, with the upside driven by channel expansion and the downside driven by generic substitution and price compression.

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FAQs

1) Is PREVEN positioned as an IP-protected product for emergency contraception?
Based on the provided input, no jurisdiction-specific patent estate or exclusivity window is supplied, so the investment case cannot be treated as IP-protected.

2) What drives demand for emergency contraception kits like PREVEN?
Demand tracks unprotected intercourse incidents, public awareness, access via retail pharmacies, and stocking by distributors and institutions.

3) What is the main competitive risk?
Generic substitution and price compression, typically requiring trade spend and distributor incentives to maintain shelf presence.

4) How should investors evaluate margins for PREVEN?
Use net price per effective regimen after rebates and trade discounts, and monitor gross margin volatility tied to API and packaging supply.

5) What is the most likely source of upside?
Formulary and procurement wins that expand retail and institutional distribution beyond standard pharmacy stocking.

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References

[1] APA style references not provided in the input data.