Last Updated: September 28, 2026

Quagen Company Profile


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What is the competitive landscape for QUAGEN

QUAGEN has sixty-four approved drugs.

There is one US patent protecting QUAGEN drugs.

Summary for Quagen
US Patents:1
Tradenames:51
Ingredients:48
NDAs:64

Drugs and US Patents for Quagen

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Quagen REPAGLINIDE repaglinide TABLET;ORAL 090252-001 Aug 23, 2013 DISCN No No ⤷  Start Trial ⤷  Start Trial
Quagen HALOBETASOL PROPIONATE halobetasol propionate OINTMENT;TOPICAL 213560-001 Oct 6, 2020 AB RX No No ⤷  Start Trial ⤷  Start Trial
Quagen GLYCOPYRROLATE glycopyrrolate SOLUTION;ORAL 216910-001 May 18, 2026 AA RX No No ⤷  Start Trial ⤷  Start Trial
Quagen DIPHENOXYLATE HYDROCHLORIDE AND ATROPINE SULFATE atropine sulfate; diphenoxylate hydrochloride TABLET;ORAL 085762-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial
Quagen CYPROHEPTADINE HYDROCHLORIDE cyproheptadine hydrochloride SYRUP;ORAL 212423-001 May 22, 2019 AA RX No No ⤷  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 Quagen

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Quagen OLUX clobetasol propionate AEROSOL, FOAM;TOPICAL 021142-001 May 26, 2000 6,126,920 ⤷  Start Trial
Quagen EVOCLIN clindamycin phosphate AEROSOL, FOAM;TOPICAL 050801-001 Oct 22, 2004 7,141,237 ⤷  Start Trial
Quagen LUXIQ betamethasone valerate AEROSOL, FOAM;TOPICAL 020934-001 Feb 28, 1999 7,078,058 ⤷  Start Trial
Quagen LUXIQ betamethasone valerate AEROSOL, FOAM;TOPICAL 020934-001 Feb 28, 1999 6,126,920 ⤷  Start Trial
Quagen EVOCLIN clindamycin phosphate AEROSOL, FOAM;TOPICAL 050801-001 Oct 22, 2004 7,374,747 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration
Paragraph IV (Patent) Challenges for QUAGEN drugs
Drugname Dosage Strength Tradename Submissiondate
➤ Subscribe Topical Foam 0.05% ➤ Subscribe 2005-06-27
➤ Subscribe Foam 0.12% ➤ Subscribe 2007-08-10

Supplementary Protection Certificates for Quagen Drugs

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0058146 2001C/045 Belgium ⤷  Start Trial PRODUCT NAME: DICHLORHYDRATE DE LEVOCETIRIZINE; NAT RER. NO/DATE: 194 IS 90 F3 20011022; FIRST REG.: DE 49903.00.00 20010103
1304992 CR 2013 00053 Denmark ⤷  Start Trial PRODUCT NAME: CLINDAMYCIN (SOM CLINDAMYCIN PHOSPHATE) OG TRETINOIN; NAT. REG. NO/DATE: 48954 20130416; FIRST REG. NO/DATE: IE PA1332/043/001 20130322
1675573 2014C/029 Belgium ⤷  Start Trial PRODUCT NAME: ARIPIPRAZOLE; AUTHORISATION NUMBER AND DATE: EU/1/13/882 20131119
2435024 2190014-7 Sweden ⤷  Start Trial PRODUCT NAME: A COMBINATION OF FORMOTEROL INCLUDING ANY PHARMACEUUTICALLY ACCEPTABLE SALTS, ESTERS, OR SOLVATES THEREOF, GLYCOPYRROLATE INCLUDING ANY PHARMACEUTICALLY ACCEPTABLE SALTS, ESTERS, OR SOLVATES THEREOF, AND BUDESONIDE INCLUDING ANY PHARMACEUTICALLY ACCEPTABLE SALT, ESTERS ORSOLVATES THEREOF; REG. NO/DATE: EU/1/20/1498 20201210
0502314 C300095 Netherlands ⤷  Start Trial PRODCUT NAME: TELMISARTAN, DESGEWENST IN DE VORM VAN EEN FYSIOLOGISCH VERDRAAGBAAR ZOUT, EN HYDROCHLOROTHIAZIDE; REGISTRATION NO/DATE: EU/1/02/213/001-010 20020419
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description
Similar Applicant Names
Applicants may be listed under multiple names.
Here is a list of applicants with similar names.

Last updated: May 26, 2026

Quagen Competitive Landscape Analysis: Market Position, Patent Strength, and Generic/Biosimilar Entry Risks

Quagen’s competitive position cannot be analyzed from a patent and regulatory standpoint because the drug identity is not specified. “Quagen” is not a uniquely identifiable active ingredient or FDA product in the public record without the product name (brand/generic), active ingredient(s), dosage form, or reference listed drug. Without that, Orange Book/Paragraph IV risk, exclusivity windows, and patent estate mapping cannot be produced accurately.

What product portfolio does Quagen protect and how many patents cover each Quagen drug?

A complete patent-protection count by product requires the FDA reference product (RLD) and specific Quagen-labeled drug identifiers so that Orange Book listings and associated patent bundles can be enumerated per dosage form and strength.

Which patent types should be counted for a Quagen-specific estate?

For a defensible estate audit, the inventory must include:

  • Composition of matter (drug substance) patents
  • Formulation patents (drug product compositions, excipients, polymorphs, salts, particles)
  • Method-of-use patents (indications, dosing regimens)
  • Manufacturing process patents
  • Device/delivery system patents (if applicable)
  • Patent linkages to FDA-listed strengths, dosage forms, and routes

What patents protect Quagen’s active ingredients and drug product formulations?

To identify protecting patents, the analysis must map:

  • Drug substance to Orange Book “Drug Substance” patents
  • Drug product to Orange Book “Drug Product” patents
  • Indication to “Method of Use” patents

Without the exact Quagen product name and FDA RLD, the patent-to-product mapping cannot be compiled.

How are formulation and polymorph patents typically structured in Quagen-like portfolios?

Formulation/polymorph estates generally split across:

  • Solid-state form patents (polymorph/crystal form/amorphous)
  • Particle size and morphology patents
  • Stabilizer/preservation and storage condition patents
  • Bioavailability enhancement and dissolution profile patents

When does Quagen lose exclusivity and what is the exclusivity timeline by indication?

Exclusivity timelines require:

  • FDA approval date for each strength and dosage form
  • Exclusivity grant type (NCE, NDA 7, 5-year new clinical investigation, pediatric exclusivity)
  • Whether the product is a generic/biosimilar reference or a new molecular entity

No reliable exclusivity timeline can be generated without the specific Quagen FDA product and approval history.

What are the typical exclusivity “cliffs” investors track?

  • 5-year New Chemical Entity (NCE) or 3-year exclusivity (new clinical investigation)
  • Patent expiry timing for each listed patent
  • Pediatric exclusivity extension (typically 6 months) when applicable
  • Designated exclusivity expiration vs. patent expiry dates

What is the Orange Book status of Quagen drugs and which patents are listed for Paragraph IV challenges?

Orange Book status is product-specific. A correct answer requires:

  • FDA label/RLD identification
  • Orange Book patent listing table extraction (patent numbers, expiration dates, patent owners/assignees, and “listed” vs “not listed” status)

No Orange Book listings can be asserted without the exact Quagen drug identity.

Which generic entry risks exist for Quagen products?

Generic risk typically depends on:

  • Whether key patents are composition-of-matter, method-of-use, or formulation
  • Whether listed patents are “Orange Book relevant” to the ANDA carve-out
  • Whether there have been prior Paragraph IV litigation and whether settlement triggers a non-entry period

Which companies are challenging Quagen with Paragraph IV and what do filings indicate about vulnerability?

Paragraph IV intelligence requires:

  • ANDA filing history tied to the correct Orange Book RLD
  • Listed patent paragraph statements for each ANDA
  • Litigation dockets showing who sued whom and which patents were asserted

Without the Quagen product and RLD, specific challenger identities and case outcomes cannot be compiled.

What Quagen patent litigation affects competitors’ launch dates?

A litigation-driven launch schedule needs:

  • Court filings (complaints, counterclaims, pleadings)
  • Asserted patents and claim construction outcomes
  • Settlement agreements and entry-for-delayed-dates provisions

No litigation events can be listed without the exact Quagen product.

How do settlements typically change the competitive landscape?

Settlements often specify:

  • A “first commercial marketing” date
  • Patent carve-outs or license scope
  • Monetary terms that reflect the probability-weighted trial outcomes

How does Quagen compare with peer competitors in its therapeutic class?

A competitor comparison must anchor on:

  • Therapeutic class and mechanism of action
  • Indications and line-of-therapy placement
  • Route of administration, dosing frequency, and safety profile
  • Pricing and contracting posture
  • Presence of biosimilars/generics and current market share

None of these elements can be determined for “Quagen” without the drug identity.

What is the biosimilar risk for Quagen if it is a biologic reference product?

Biosimilar risk requires:

  • Confirmation that Quagen is a reference biologic
  • FDA BLA approval details and reference product designation
  • Patent listings for the biologic in the Purple Book (and associated patents)
  • Biologics license application pathway filings (351(k)) and litigation history

A biosimilar risk assessment cannot be created without the biologic reference product.

What formulations are protected by Quagen and do they block generic substitution?

To answer formulation-protection questions, the analysis must tie:

  • Specific dosage forms and strengths to Orange Book patents
  • Patent claim scope relative to likely generic formulation paths (e.g., salt form, polymorph, particle engineering)

Without the product and dosage form, formulation-blocking strength cannot be evaluated.

What manufacturing and IP barriers could delay a Quagen generic or biosimilar?

Manufacturing and IP barriers depend on:

  • Process patents (e.g., crystallization steps, purification, drying, milling)
  • Impurities and specification patents that affect batch release
  • Scale-up constraints and validation timelines if process patents are asserted

No barriers can be identified without the correct Quagen product’s patent estate.

Key Takeaways

  • A Quagen-specific competitive landscape cannot be produced without identifying the exact FDA product (brand/generic name, active ingredient(s), dosage form, and strength).
  • Patent estate counting, Orange Book status, exclusivity timelines, and Paragraph IV/biosimilar risk are product-specific and cannot be reliably mapped from “Quagen” alone.
  • Any attempt to name challengers, patent numbers, expiration dates, or litigation outcomes would be speculative.

FAQs

  1. How do I identify the correct FDA RLD to analyze a company’s Orange Book patent estate?
  2. What Orange Book patent types most often delay generic launches (composition vs method-of-use vs formulation)?
  3. How do pediatric exclusivity extensions shift the effective “generic entry” date?
  4. What signals in Paragraph IV filings indicate design-around attempts versus willful infringement strategy?
  5. How is biosimilar risk evaluated differently for biologics using the Purple Book versus the Orange Book?

References (APA)

No sources are cited because no Quagen-specific product, FDA listing, or patent data could be grounded to verifiable records from the provided prompt.

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