Last Updated: June 17, 2026

Chattem Sanofi Company Profile


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Summary for Chattem Sanofi
International Patents:67
US Patents:2
Tradenames:15
Ingredients:7
NDAs:18

Drugs and US Patents for Chattem Sanofi

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Chattem Sanofi XYZAL levocetirizine dihydrochloride SOLUTION;ORAL 022157-001 Jan 28, 2008 DISCN Yes No ⤷  Start Trial ⤷  Start Trial
Chattem Sanofi ALLEGRA ALLERGY fexofenadine hydrochloride TABLET;ORAL 020872-007 Jan 24, 2011 OTC Yes No ⤷  Start Trial ⤷  Start Trial
Chattem Sanofi CHILDREN'S ALLEGRA HIVES fexofenadine hydrochloride TABLET;ORAL 020872-006 Jan 24, 2011 DISCN Yes No ⤷  Start Trial ⤷  Start Trial
Chattem Sanofi NICODERM CQ nicotine FILM, EXTENDED RELEASE;TRANSDERMAL 020165-004 Aug 2, 1996 OTC Yes Yes ⤷  Start Trial ⤷  Start Trial
Chattem Sanofi CHILDREN'S ALLEGRA HIVES fexofenadine hydrochloride TABLET, ORALLY DISINTEGRATING;ORAL 021909-003 Jan 24, 2011 DISCN Yes 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 Chattem Sanofi

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Chattem Sanofi NICODERM CQ nicotine FILM, EXTENDED RELEASE;TRANSDERMAL 020165-006 Aug 2, 1996 5,342,623 ⤷  Start Trial
Chattem Sanofi ALLEGRA-D 24 HOUR ALLERGY AND CONGESTION fexofenadine hydrochloride; pseudoephedrine hydrochloride TABLET, EXTENDED RELEASE;ORAL 021704-002 Jan 24, 2011 RE39069 ⤷  Start Trial
Chattem Sanofi CHILDREN'S ALLEGRA HIVES fexofenadine hydrochloride TABLET, ORALLY DISINTEGRATING;ORAL 021909-003 Jan 24, 2011 5,578,610 ⤷  Start Trial
Chattem Sanofi CHILDREN'S ALLEGRA HIVES fexofenadine hydrochloride TABLET, ORALLY DISINTEGRATING;ORAL 021909-003 Jan 24, 2011 6,037,353 ⤷  Start Trial
Chattem Sanofi NICODERM CQ nicotine FILM, EXTENDED RELEASE;TRANSDERMAL 020165-005 Aug 2, 1996 6,165,497 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration
Paragraph IV (Patent) Challenges for CHATTEM SANOFI drugs
Drugname Dosage Strength Tradename Submissiondate
➤ Subscribe Oral Suspension 30 mg/5 mL ➤ Subscribe 2010-01-25
➤ Subscribe Oral Solution 0.5 mg/mL ➤ Subscribe 2009-01-14
➤ Subscribe Tablets 150 mg ➤ Subscribe 2007-10-30
➤ Subscribe Transdermal System 7 mg/24 hrs, 14 mg/24 hrs, and 21 mg/24 hrs ➤ Subscribe 2014-05-30
➤ Subscribe Tablets 5 mg ➤ Subscribe 2007-12-17

Supplementary Protection Certificates for Chattem Sanofi Drugs

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0663828 C300085 Netherlands ⤷  Start Trial PRODUCT NAME: LEVOCETIRIZINE, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT, IN HET BIJZONDER LEVOCETIRINE DIHYDROCHLORIDE; NAT. REGISTRATION NO/DATE: RVG 26770 20011009; FIRST REGISTRATION: DE 49903.00.00 AND 49904.00.00 20010103
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
>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.

Chattem Sanofi Competitive Landscape Analysis: Market Position, IP Strength, and Strategic Options

Last updated: May 28, 2026

Chattem Sanofi is positioned as a legacy consumer-health brand portfolio with an ongoing role in prescription and consumer channels via Sanofi’s broader operating model. Competitive pressure concentrates in the consumer OTC aisle and, where branded drugs overlap, in branded-to-generic substitution and contract manufacturing leverage. The IP landscape and exclusivity profile are the main determinants of margin durability; product-by-product Orange Book status and listed patents drive generic and biosimilar entry risk where applicable.

What is Chattem Sanofi’s market position across OTC and branded categories?

Chattem Sanofi’s market position depends on (1) the specific product lineup controlled or co-promoted under the Chattem name and (2) Sanofi’s current portfolio strategy in the US and select international markets. Competitive relevance is highest where legacy branded OTC remains differentiated by form factors, switchback pricing, and retail placement, and where Sanofi maintains proprietary drug assets under brand labels.

Which business units matter most for competitive dynamics?

  • US consumer health / OTC branded portfolio: Retail shelf presence, promotions, category growth, and switch costs.
  • Branded prescription overlays where Sanofi retains IP: Competitive dynamics tied to patent expiration schedules, label exclusivity, and authorized generics.
  • Contract manufacturing and supply chain execution: Cost competitiveness influences ability to fund marketing and defend shelf share during generic and private-label expansions.

How do competitors attack Chattem Sanofi’s categories?

  • OTC: Private label and incumbent generics in switched molecules; innovation in dosing forms (caps, dissolvable, sustained release) and line extensions.
  • Branded drugs: At-birth competition from authorized generics, Paragraph IV-driven generic entries, and label carve-outs.
  • Retail trade: Largest buyers demand price concessions and volume rebates; marketing dollars shift toward high-velocity SKUs.

How strong is the patent estate for Chattem Sanofi products that face generic entry risk?

A high-strength patent estate is typically defined by multiple, overlapping Orange Book-listed patent types: composition, formulation, method-of-use, and device/dosing regimen where relevant. For branded small molecules, the competitive question is not “how many patents exist,” but whether patents remain enforceable past the targeted launch date and whether the remaining claims survive validity and noninfringement arguments.

Which patent categories determine generic launch timing?

  • Drug substance patents (composition of matter): Often the longest-lived, but may not be listed in every jurisdiction for each commercial NDC.
  • Formulation patents: Common for OTC or Rx product line extensions; can block “same active, different formulation” challengers.
  • Method-of-use patents: Critical when generics try to launch into a specific population or regimen.
  • Manufacturing method patents: Less common as blockers for FDA-typical generic submissions, but can matter for process-dependent formulations.

What matters for litigation leverage and settlement likelihood?

  • Number of remaining asserted claims at the time of first Paragraph IV litigation.
  • Remaining claim scope relative to generic design-around ability.
  • District-level litigation posture and trial timelines, which determine whether pay-for-delay or consent decrees become economical.

What patents protect Chattem Sanofi products and how many are Orange Book listed?

The competitive landscape depends on the Orange Book status at the NDC level for each marketed drug. Patent protection is measured by:

  • Listed patent count per active ingredient per NDA/BLA.
  • The type of each listed patent (drug substance, drug product, method).
  • Expiration dates and whether any unexpired patents are likely to be asserted.

How to interpret Orange Book listings for competitive risk

  • Unexpired “drug product” patents often protect specific dosage forms and formulation attributes.
  • Unexpired “method-of-use” patents can protect indicated use even when drug substance patents expire.
  • Multiple expiration dates can create a staggered generic-entry path.

When does Chattem Sanofi lose exclusivity for each major product category?

Exclusivity loss is driven by:

  • Patent expiration (listed and unlisted, where enforceable in relevant jurisdictions).
  • Regulatory exclusivities (new chemical entity, new molecular entity, 3-year/5-year/7-year exclusivities depending on situation).
  • Orphan exclusivity if applicable for specific indications.

How to convert exclusivity into a generic-launch calendar

  • Earliest legal launch date: The first day a generic can market if it is not blocked by unexpired patents or exclusivity.
  • NDA code and submission timing: If a competitor files a Paragraph IV submission, the FDA approval can be triggered but launch remains constrained by litigation stay windows.
  • Settlement terms: Timing can be moved forward or delayed via consent decrees or licensing arrangements.

What generic entry risks exist for Chattem Sanofi’s branded small molecules?

Generic entry risk rises when all blockers are removed:

  • No Orange Book listed patents remain unexpired for the relevant NDC.
  • No enforceable method-of-use patents survive validity challenges.
  • Litigation ends in a court ruling or settlement that permits launch.

Which launch routes increase competitive pressure?

  • Paragraph IV ANDA: Accelerates entry into the commercial period where patents are contested.
  • Authorized generics: Can preserve supply stability and reduce price erosion volatility.
  • Switching and formulary access: Pharmacy benefit manager decisions can decouple “legal launch” from “volume capture.”

What Paragraph IV challenges are filed against Chattem Sanofi?

Paragraph IV filings are the core leading indicator of imminent generic competition. A competitive assessment requires:

  • Number of Paragraph IV submissions per reference listed drug (RLD).
  • Filing date and generic sponsor.
  • Litigation docket and asserted patents.

How to translate filings into probability-weighted competitive outcomes

  • Early dismissal or settlement indicates strong or weak patent validity positions depending on outcomes.
  • Trial scheduling indicates whether a court is likely to stay the launch or lift constraints.

How does Chattem Sanofi compare with other consumer health and pharma brands in competitive intensity?

Competitive intensity differs by product category:

  • OTC: Competition is heavy from scale brands and aggressive retail promotion; differentiation can be formulation-based and shelf-led.
  • Rx: Competition is sharper around patent cliffs and label exclusivity.

What competitors typically outperform in OTC?

  • Faster line extension cycles.
  • Higher share-of-voice in high-velocity seasons.
  • Retail execution that drives endcap visibility and shopper marketing.

What competitors typically outperform in branded Rx?

  • Launch readiness (distribution, rebate strategy, managed care contracting).
  • Generic pipeline depth and legal execution capacity.

What formulations are protected, and how do formulation patents block generic “same active, different excipient” copies?

Formulation patents protect characteristics like:

  • Drug release profile.
  • Solubility or permeability enhancements.
  • Stabilizers and excipients that improve shelf life or bioavailability.
  • Dosage form geometry affecting rate and absorption.

What design-around strategies do generic challengers use

  • Change excipient package to avoid claim language.
  • Modify manufacturing conditions that alter release kinetics.
  • Target a different dosage strength or regimen, if method-of-use patents do not cover it.

When formulation IP matters most

  • Narrow therapeutic window or sensitive pharmacokinetics.
  • Consumer OTC products where dosing perception and tolerability drive substitution resistance.

What patent litigation affects Chattem Sanofi’s product pipeline and marketed brands?

For branded pharma, litigation determines whether generics can launch at the earliest legal date. Key elements:

  • Asserted patents and their status.
  • Court rulings on construction, infringement, and validity.
  • Settlement agreements that define launch dates and carve-outs.

Which litigation outcomes are most commercially impactful

  • Permanent injunctions: Delay market entry.
  • Invalidity findings: Open the door for multiple generic applicants.
  • Consent judgments: Provide certainty but often with payments or licensing considerations.

How does FDA regulatory status shape Chattem Sanofi’s competitive runway?

FDA status affects competitive pacing via:

  • Regulatory exclusivity windows.
  • Changes to labeling.
  • Transfer of rights or supplements that create new exclusivity or reset patent listing per NDC.

What “regulatory housekeeping” changes can extend value

  • Supplemental applications with newly protected formulation or indication.
  • Post-approval labeling changes that preserve exclusivity for specific claims.
  • Risk evaluation and mitigation strategy requirements that can slow switching.

What is the Orange Book status of Chattem Sanofi products in the US?

Orange Book status is the operational backbone of US market exclusivity for small molecules. Competitive assessment requires:

  • NDC-by-NDC listing of patents.
  • Expiration dates and whether any are method-of-use or formulation patents that still cover the marketed labeling.

How to read competitive exposure from Orange Book

  • If patents expire on multiple dates, expect staggered generic entries by sponsor.
  • If only method-of-use patents remain, launch may occur but substitution may be limited by label constraints.

How do licensing deals and settlement agreements influence generic and OTC competitive threats?

Settlements can:

  • Define launch calendars even when patent validity is uncertain.
  • Permit partial competition through authorized generics or permitted product attributes.
  • Support brand defense by creating coordinated market entry behavior among multiple applicants.

What licensing terms typically change the strategic outcome

  • Royalty rates versus fixed payments.
  • Scope of authorized product: strength, dosage form, and indication.
  • Duration and termination triggers tied to enforcement.

Which manufacturing and IP barriers protect Chattem Sanofi products from faster competitive replication?

Barriers include:

  • Proprietary manufacturing processes tied to formulation patents.
  • Supply agreements that control cost and availability.
  • Regulatory documentation ownership and stability data.

How manufacturing execution affects competition

  • If supply is constrained, generics may under-serve demand even after legal permission to launch.
  • Brand supply continuity improves loyalty and reduces “trial” switching.

Key tables and competitive timelines investors track

Competitive calendar framework (to be mapped per product/NDC)

Blocker type What it protects Why it matters for competitors Competitive signal
Orange Book drug substance patent Active ingredient composition Blocks ANDA for same active ingredient Earliest patent cliff
Orange Book drug product patent Formulation/dosage form Blocks “same active” formulation copies Launch delayed by design-around difficulty
Orange Book method-of-use patent Indication/regimen Limits substitution even after drug approval Competitors may launch “at risk”
Regulatory exclusivity NDA/NME exclusivity Can delay approval even with patent-free status Court strategy shifts to exclusivity
Litigation stay/consent decree Filing and trial outcomes Sets effective launch date Marketing timeline certainty

Key Takeaways

  • Chattem Sanofi’s competitive outcome is category-dependent: OTC competition is driven by shelf execution and private label pressure, while Rx competition is dictated by patent and exclusivity timing.
  • The core measurable driver of generic entry risk is the Orange Book estate at the NDC level, including formulation and method-of-use patents that can prevent substitution even after substance patent expiration.
  • Paragraph IV filings and patent litigation outcomes are the leading indicators of near-term erosion risk; settlements and licensing terms often set the effective launch calendar regardless of headline patent expiration.
  • Manufacturing execution and supply continuity materially affect whether legal launch translates into meaningful volume capture.

FAQs

  1. How do formulation patents change generic substitution for branded OTC products?
  2. What drives Paragraph IV settlement timing most often: trial posture or exclusivity windows?
  3. How can method-of-use patents limit a generic even when drug substance patents expire?
  4. What is the most important Orange Book patent type to monitor for launch risk?
  5. How do authorized generics typically affect post-launch price erosion versus full generics?

References

  1. FDA Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. (accessed 2026-05-28).
  2. FDA. Hatch-Waxman Drug Patent Litigation and Paragraph IV Certification resources. (accessed 2026-05-28).

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