Last Updated: August 9, 2026

NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE Drug Patent Profile


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When do Norethindrone And Ethinyl Estradiol And Ferrous Fumarate patents expire, and what generic alternatives are available?

Norethindrone And Ethinyl Estradiol And Ferrous Fumarate is a drug marketed by Teva Branded Pharm, Xiromed, Amneal Pharms, Barr, Lupin, and Naari Pte. and is included in seven NDAs.

The generic ingredient in NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE is ethinyl estradiol; norethindrone. There are twenty-six drug master file entries for this compound. Fourteen suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norethindrone profile page.

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Summary for NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE
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US Patents and Regulatory Information for NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE

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 NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET, CHEWABLE;ORAL 022573-001 Dec 22, 2010 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Xiromed NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET;ORAL 202086-001 Apr 1, 2015 AB RX No Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Barr NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET;ORAL 078965-001 Aug 5, 2010 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Xiromed NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET, CHEWABLE;ORAL 203371-001 Apr 23, 2014 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Amneal Pharms NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET;ORAL 078892-001 Sep 26, 2011 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Naari Pte NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET;ORAL 207066-001 Mar 29, 2017 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lupin NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET;ORAL 091332-001 Mar 23, 2016 AB RX 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

Expired US Patents for NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Teva Branded Pharm NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET, CHEWABLE;ORAL 022573-001 Dec 22, 2010 5,552,394 ⤷  Start Trial
Teva Branded Pharm NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE ethinyl estradiol; norethindrone TABLET, CHEWABLE;ORAL 022573-001 Dec 22, 2010 6,667,050 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Executive summary Norethindrone and ethinyl estradiol and ferrous fumarate is a 3-in-1 oral contraceptive-plus-iron product with market behavior dominated by (1) loss of exclusivity timing for branded combinations, (2) the depth of generic competition in the same strength and dosing regimen, and (3) substitution tolerance driven by formulary switching and pharmacy stocking. Financial trajectory is typically characterized by high baseline volume in contraceptive classes, then margin compression as AB-rated generics and private-label versions expand, with residual brand value tied to rebates, copay strategy, and whether the product keeps an “iron-containing” differentiation versus iron-free equivalents.

Market dynamics for norethindrone and ethinyl estradiol and ferrous fumarate

Core dynamic: this product sits in the oral contraceptive category where generics are common and pricing power is limited once multiple equivalent ANDAs exist.

What drives demand for the norethindrone/ethinyl estradiol/ferrous fumarate combo?

Key demand drivers

Last updated: July 29, 2026

  • Contraceptive use and adherence: quarterly retention and refill frequency determine total volume more than incremental efficacy marketing, because the contraceptive class is clinically similar across equivalent regimens.
  • Formulary status: managed care placement and step edits drive channel share. Iron-containing placebos can matter for plan differentiation when iron deficiency anemia outcomes or adherence narratives are used in formulary messaging.
  • Substitution behavior: pharmacy switch rates rise when payers and PBMs treat the product as substitutable to other low-dose combined oral contraceptives, including iron-containing and iron-free placebo/“week” tablets.

How does competition typically form in oral contraceptive brands that include iron?

Branded iron-containing contraceptive products usually face:

  • Generic AB substitution for the active hormonal tablets.
  • Assortment competition where multiple generics share the same hormone strengths and identical dosing calendar length.
  • Private label and distributor house brands that compress net price through rebate leverage.
  • Channel-driven price setting: if wholesale pricing and PBM rebates compress, brand net revenue declines even if volume holds.

What is the revenue exposure profile for this specific combination?

Revenue exposure is concentrated in three levers:

  1. Net price erosion: rapid decline after generic entries.
  2. Market share volatility: month-to-month switching as supply and copays change.
  3. Rebate intensity: brand protection through contracting can delay price collapse but increases earnings volatility.

Manufacturing and supply considerations

  • Oral contraceptives are typically produced at high volume with validated manufacturing lines.
  • Ferrous fumarate addition can create excipient handling and blending specificity, but it rarely creates a durable manufacturing barrier once ANDA-ready formulations exist.
  • Supply continuity matters because contraceptive demand is adherence-based; disruptions can briefly boost competing scripts but often normalize.

Financial trajectory: how net sales and margins usually evolve after generic entry

Featured snippet answer: Expect net sales to decline post-competition and margins to compress unless the brand maintains formulary lock-in through rebates and/or differentiation that payers will not reimburse as readily.

Typical staged trajectory in this class

Phase 1: Brand ramp or steady state

  • High list price with meaningful rebate spending.
  • Channel share supported by prescriber familiarity.

Phase 2: Generic penetration

  • Volume erosion accelerates after ANDA entries with AB-rated substitution.
  • Net price drops faster than unit decline, compressing gross margin.

Phase 3: Sustained margin compression

  • Brand volume becomes mostly rebate-dependent.
  • Brand survival depends on sustained contracting economics (PBM and plan-specific).

What “iron-containing” differentiation does financially

Iron in placebo-week tablets can support:

  • Payer narratives around iron supplementation and adherence.
  • Patient support programs that push adherence and refill completion.
  • Occasional formulary protection if the plan treats iron-containing regimens as preferential.

In practice, this differentiation often weakens over time because payers can substitute to iron-free equivalents if they prioritize lower acquisition cost.

Exclusivity and patent timing: what usually matters for financial outcomes

Executive answer: Financial trajectory follows exclusivity and launch timelines more than day-to-day competitive activity.

What patents typically govern this type of product?

For combined oral contraceptive products, the practical patent estate often concentrates on:

  • Compositions and formulations (including iron-containing tablet characteristics).
  • Method-of-use for contraceptive and dosing regimens.
  • Process/manufacturing approaches.
  • Orphan-like or secondary claims are uncommon; durability tends to come from layered formulation/process patents.

When does exclusivity lose traction?

Even where patents extend, market power declines as:

  • Multiple ANDAs appear under AB rating.
  • Settlements permit earlier-than-stated entry dates in limited label or design-around versions.
  • Authorized generics appear, limiting brand leverage.

Competitive landscape and pricing pressure

Generic entry patterns

In oral contraceptive combinations, generic competition usually reaches:

  • 2 to 6+ competitors within a few years of meaningful first ANDA approvals, depending on patent and settlement history.
  • High substitution across pharmacies within standard payer formularies.

How do rebate structures affect financial trajectory?

  • Brands often maintain rebates to defend formulary placement.
  • As competitors increase, rebate intensity rises, which can reduce operating income even if gross-to-net erosion is partially managed.

What is the role of pharmacy channel incentives?

  • PBMs and pharmacies may prefer lower acquisition cost products.
  • Higher patient out-of-pocket burdens on branded iron-containing products can drive switches, even when contraceptive equivalence exists.

Regulatory status and FDA listing impact on market share

Market relevance of Orange Book status: when a product is listed with multiple strengths, dosing regimens, and exclusivity/patent terms, it determines which generics can file and when they can launch (subject to paragraph IV litigation and settlements).

What to look for in Orange Book listings (market-facing interpretation)

  • Active patents tied to drug substance and formulation.
  • Exclusivity codes that control pediatric and marketing exclusivity and other regulatory exclusivities.
  • Litigation-relevant patents that govern eligibility for immediate launch after successful challenges.

(No drug label, Orange Book patent numbers, or FDA milestone data were provided in the prompt, so no specific expiration dates or listing counts are included here.)

Generic launch scenarios that drive near-term financial swings

Scenario A: Multiple AB generics enter simultaneously

  • Fast volume erosion.
  • Rapid net price drop, operating margin compression.
  • Rebate escalation to retain preferred status.

Scenario B: Delayed entry due to patent/settlement timing

  • Brand may sustain higher net price longer.
  • Volume remains stable until entry catalysts arrive.
  • Post-entry decline remains inevitable once multiple alternatives appear.

Scenario C: Design-around on iron/placebo components

  • If generics replicate hormones but alter iron content or placebo formulation, differentiation may persist in limited payer lines.
  • Financial impact depends on whether plans allow substitution without step edits.

Revenue exposure by geography and channel

Geography

  • Large US volume drives most financial impact for this class.
  • International dynamics depend on regulatory approval of the exact triple-combination regimen and whether iron-containing placebos are used in local clinical guidelines.

Channel

  • US retail pharmacy is dominant for oral contraceptives.
  • Long-term care is smaller unless brand is embedded in institutional formularies.

Key metrics that should be tracked for this product’s financial trajectory

Even without company-specific data in the prompt, the monitoring set for this drug class is consistent:

  • Net sales and net price trend (quarterly).
  • Script volume trend (NBRx).
  • Share of prescriptions at the pharmacy claim level.
  • PBM formulary tier shifts and PA/step-edit usage.
  • Wholesale acquisition cost (WAC) vs. ASP spread to assess rebate pressure.
  • Generic competitor count by strength and dosage regimen.
  • Number of FDA-approvable ANDAs pending or approved that are AB-rated to the brand.

How does this product compare with other combined oral contraceptives (COCs) on financial trajectory?

Competitive strength

  • Financial robustness is lower than classes with fewer generics.
  • It can outperform iron-free equivalents only when payer differentiation exists and substitution is restricted by benefit design.

Product “defensibility”

  • Defensibility is typically contractual, not clinical.
  • Durable margins require sustained rebate economics and formulary position before patent-driven entry windows close.

Key Takeaways

  • Market dynamics are dominated by AB-rated generic substitution and PBM contracting rather than unique clinical differentiation.
  • Financial trajectory is usually a sequence of net price erosion and margin compression following increased generic competition.
  • Ferrous fumarate inclusion can create limited differentiation for some plans, but it rarely blocks long-run substitution once multiple iron-containing and iron-free equivalents exist.
  • The timing of generic launch events and settlements drives the most significant quarter-to-quarter swings in net revenue.

FAQs

1) What generic entry risks exist for norethindrone and ethinyl estradiol plus ferrous fumarate?
Risks are concentrated in AB-rated ANDA approvals for the same dosing regimen, followed by rebate-driven switch behavior at retail pharmacies.

2) How many competitors typically show up for oral contraceptive combinations like this?
Often multiple generics emerge quickly after the first durable approval, with private label and distributor generics compounding pricing pressure.

3) Does the iron component protect market share versus iron-free combined oral contraceptives?
It can help in selective payer lines, but substitution often persists once plans treat iron-containing placebos as interchangeable.

4) What Orange Book entries most affect generic launch timing?
The active formulation/process patents and any listed exclusivities tied to the specific strengths and dosage regimens.

5) How do settlements and paragraph IV cases change the financial outlook?
They can accelerate or delay launch dates, which directly shapes net price and volume inflection points after exclusivity pressure peaks.

References

(No sources were cited because no FDA Orange Book, patent, litigation, or company financial datasets were provided in the prompt.)

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