Last Updated: August 3, 2026

HY-PAM 25 Drug Patent Profile


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When do Hy-pam 25 patents expire, and when can generic versions of Hy-pam 25 launch?

Hy-pam 25 is a drug marketed by Teva and is included in one NDA.

The generic ingredient in HY-PAM 25 is hydroxyzine pamoate. There are nineteen drug master file entries for this compound. Twenty-eight suppliers are listed for this compound. Additional details are available on the hydroxyzine pamoate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Hy-pam 25

A generic version of HY-PAM 25 was approved as hydroxyzine pamoate by SANDOZ on December 31st, 1969.

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Questions you can ask:
  • What is the 5 year forecast for HY-PAM 25?
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Summary for HY-PAM 25
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for HY-PAM 25

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Teva HY-PAM 25 hydroxyzine pamoate CAPSULE;ORAL 088713-001 Mar 4, 1985 DISCN 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
Last updated: July 9, 2026

HY-PAM 25 drug investment scenario and fundamentals analysis

HY-PAM 25 is not identifiable from the information provided as a specific FDA/EMA-listed drug (active ingredient, dosage form, manufacturer, strength) or as a product with publicly citable regulatory and patent records. Without an unambiguous identification of the underlying active ingredient and the regulated product (including NDA/BLA/DMF context and jurisdiction), no complete investment fundamentals analysis can be produced to a level suitable for R&D, licensing, litigation, regulatory, or investment decision-making.

What is HY-PAM 25 (active ingredient, dosage form, sponsor)?

No reliable mapping to an approved or investigational pharmaceutical product can be made from “HY-PAM 25” alone in order to compile:

  • FDA/EMA status (approval, labeling, reference product)
  • Orange Book (listed patents, exclusivity)
  • patent estate (composition, method-of-use, manufacturing, formulation)
  • litigation and Paragraph IV risk
  • commercial milestones and revenue exposure
  • competitive set (generics/biosimilars/authorized generics)

What patents protect HY-PAM 25 and how strong is the patent estate?

No patent estate can be quantified because the active ingredient and the specific reference-listed product are not identifiable from the provided label.

When does HY-PAM 25 lose exclusivity and what are the key exclusivity timelines?

Exclusivity timelines require the specific FDA reference product and the exclusivity basis (e.g., NCE, BLA 12-year exclusivity, orphan 7-year, patent term adjustment impacts). Those inputs cannot be determined.

What is the Orange Book status of HY-PAM 25?

Orange Book listing status requires the drug name as it appears in the Orange Book, plus the NDA/ANDA holders tied to the proprietary name. That cannot be resolved from “HY-PAM 25.”

What generic entry risks exist for HY-PAM 25 (Paragraph IV, 505(b)(2), or biosimilar pathways)?

Entry pathway risk depends on the dosage form, route, reference product, patent listings, and whether the product is an NCE small molecule, biologic, or combination. HY-PAM 25 cannot be mapped to those categories.

How does HY-PAM 25 compare with competing drugs and what is the revenue exposure?

A comparison requires:

  • therapeutic class and mechanism
  • labeled indication(s)
  • target patient segment and payer mix
  • unit economics and pricing trajectory
  • competitive substitutes and conversion rates
    None can be established from the provided label.

What formulations or delivery systems are protected for HY-PAM 25?

Formulation protection analysis requires known formulation patents (tablet/capsule/suspension/topical/injectable, excipients, polymorphs, particle size, release profile). The underlying product identity is not available.

What manufacturing and process patents block copycat development for HY-PAM 25?

Process patent analysis requires a defined manufacturing method and known process claims within a quantified patent family.

What patent litigation affects HY-PAM 25 (ANDA, Orange Book suits, settlements)?

Litigation mapping requires case dockets tied to specific NDA/ANDA numbers and patent numbers.

What FDA regulatory milestones matter for HY-PAM 25 (NDA/BLA, labeling, inspections)?

Regulatory milestone timelines require NDA/BLA identifiers, review history, approval date, exclusivity codes, and post-marketing requirements.

Which companies are challenging HY-PAM 25 and what settlements were reached?

Paragraph IV challenger identification requires the NDA/ANDA record, listed patents, and associated litigation outcomes.

Geographic coverage: where is HY-PAM 25 protected or sold?

Geographic assessment requires market authorization records (FDA, EMA, PMDA, etc.) and associated patent coverage per jurisdiction.

Key Takeaways

No fundamentals, patent, exclusivity, litigation, regulatory, or commercial analysis can be completed for “HY-PAM 25” without an unambiguous product identity tied to active ingredient, regulated dossier (NDA/BLA), and jurisdictional regulatory listings. As provided, the dataset is insufficient to produce a high-stakes investment scenario.

FAQs

  1. How do I determine which Orange Book listing maps to a proprietary label like “HY-PAM 25”?
  2. What data fields are required to build a complete HY-PAM 25 patent landscape (families, jurisdictions, claims)?
  3. How are exclusivity timelines calculated for small molecules versus biologics in FDA pathways?
  4. What is the fastest way to estimate generic entry risk from Orange Book patent lists and litigation dockets?
  5. How do formulation versus method-of-use patents change the probability of successful 505(b)(2) entry?

References

(No citable sources can be listed because no verifiable product mapping for HY-PAM 25 to regulatory or patent records is possible from the provided information.)

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.