Last Updated: August 2, 2026

BLOXIVERZ Drug Patent Profile


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Which patents cover Bloxiverz, and what generic alternatives are available?

Bloxiverz is a drug marketed by Exela Pharma and is included in one NDA.

The generic ingredient in BLOXIVERZ is neostigmine methylsulfate. There are nine drug master file entries for this compound. Twenty-four suppliers are listed for this compound. Additional details are available on the neostigmine methylsulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Bloxiverz

A generic version of BLOXIVERZ was approved as neostigmine methylsulfate by FRESENIUS KABI USA on January 8th, 2015.

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Summary for BLOXIVERZ
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for BLOXIVERZ

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Exela Pharma BLOXIVERZ neostigmine methylsulfate SOLUTION;INTRAVENOUS 204078-001 May 31, 2013 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Exela Pharma BLOXIVERZ neostigmine methylsulfate SOLUTION;INTRAVENOUS 204078-003 Oct 27, 2023 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Exela Pharma BLOXIVERZ neostigmine methylsulfate SOLUTION;INTRAVENOUS 204078-002 May 31, 2013 DISCN Yes 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

BLOXIVERZ (Bloxiverz) Investment Scenario and Fundamentals Analysis: Patent Estate, FDA Status, Exclusivity, and Generic/Biosimilar Risk

Last updated: July 17, 2026

BLOXIVERZ fundamentals for investment turn on (1) FDA approval and commercial maturity, (2) the active ingredient’s patent term and Orange Book coverage, (3) whether any Paragraph IV challenges exist, and (4) practical launch/scale barriers for generics or biosimilars. No complete, reliable dataset is available in the provided context to produce a complete, accurate investment-grade analysis of BLOXIVERZ patent expiration dates, exclusivity windows, litigation/ANDA landscape, or revenue exposure.

What is BLOXIVERZ and what indication is it approved for?

BLOXIVERZ is referenced as a pharmaceutical product name, but the active ingredient, dosage form, strength, approved indication(s), and FDA approval details are not provided here. Without the active ingredient and NDA/BLA identifier, an investment-grade assessment cannot be completed.

What is the active ingredient in BLOXIVERZ?

Not provided.

What FDA pathway did BLOXIVERZ use (NDA vs BLA, priority review, accelerated approval)?

Not provided.

What dosing and key commercial differentiators matter?

Not provided.

What patents protect BLOXIVERZ and what is the patent expiration timeline?

Featured-snippet answer: The key investment question is the latest expiration date across Orange Book-listed patents (drug substance, drug product, and method-of-use), plus any pediatric exclusivity and other statutory extensions.

No patent numbers, assignees, claims, or Orange Book listings are provided for BLOXIVERZ. Without those, expiration timelines cannot be stated.

How many patents cover BLOXIVERZ (drug substance, drug product, method-of-use)?

Not provided.

Which patent holders control BLOXIVERZ IP?

Not provided.

Which jurisdictions matter for enforcement (US, EP, JP, KR)?

Not provided.

When does BLOXIVERZ lose exclusivity?

Featured-snippet answer: Exclusivity is determined by the earliest statutory exclusivity expiration plus the latest patent expiration that blocks ANDA entry and by any relevant Orange Book “unexpired” status.

No exclusivity grants, FDA approval date, or statutory exclusivity type are provided.

Does BLOXIVERZ have 5-year NCE exclusivity?

Not provided.

Does BLOXIVERZ have 7-year orphan exclusivity?

Not provided.

Does BLOXIVERZ have 3-year exclusivity for changes?

Not provided.

Is pediatric exclusivity expected?

Not provided.

What generic entry risks exist for BLOXIVERZ (ANDA, Paragraph IV, and settlement outcomes)?

Featured-snippet answer: Generic risk depends on whether ANDAs with Paragraph IV certifications are filed, whether they are litigated, and whether a settlement triggers launch dates.

No ANDA filing history, Paragraph IV notices, or court/settlement records are provided.

Have any ANDA Paragraph IV challenges been filed for BLOXIVERZ?

Not provided.

What settlement agreements affect generic launch dates?

Not provided.

What is the likely launch calendar under current IP?

Not provided.

How strong is the patent estate for BLOXIVERZ (validity, enforceability, and design-around risk)?

Featured-snippet answer: Patent strength is assessed by claim scope (composition vs formulation vs use), remaining term, prosecution history, and the feasibility of design-around (different salts, polymorphs, particle engineering, or different patient populations).

No claim descriptions, independent/dependent claim counts, or patent family structure are provided.

How do formulation and method-of-use patents change generic/biosimilar risk?

Not provided.

Is there a second-wave protection strategy (line extensions, new dosing, new formulations)?

Not provided.

What is the litigation posture risk if patents are challenged?

Not provided.

What is the Orange Book status of BLOXIVERZ?

Featured-snippet answer: Orange Book status is the definitive map of listed patents that an ANDA must address; investment models typically use “unexpired patent barriers” as of a given date.

No Orange Book entry list, patent expiration dates, or “status: unexpired/expired” snapshot is provided.

Which Orange Book patents are “unexpired” and what are their expiration dates?

Not provided.

Which patent numbers are tied to ANDA blocking status?

Not provided.

What FDA regulatory status affects commercial timing for BLOXIVERZ?

Featured-snippet answer: Regulatory status affects both near-term sales trajectory and long-term competition through exclusivity, REMS requirements, and labeling-driven differentiation.

No FDA milestones are provided.

Is BLOXIVERZ under REMS?

Not provided.

Are there pediatric labeling updates or required post-marketing commitments?

Not provided.

Is BLOXIVERZ subject to supply constraints or manufacturing comparability issues?

Not provided.

Which companies are competing with BLOXIVERZ, and how does BLOXIVERZ compare?

Featured-snippet answer: Competitive positioning hinges on efficacy endpoints, safety profile, administration convenience, payer coverage, and switching costs.

No therapeutic category, indication, comparator set, or clinical outcomes are provided.

How does BLOXIVERZ compare with branded rivals?

Not provided.

How does BLOXIVERZ compare with generics or therapeutically equivalent products?

Not provided.

Does the market have biosimilar pressure (if applicable)?

Not provided.

What manufacturing and IP barriers would slow generic or biosimilar entry for BLOXIVERZ?

Featured-snippet answer: Barriers include validated manufacturing controls, proprietary intermediates, patent-protected processes, and device-administration constraints.

No manufacturing process patents or process validation data are provided.

Are there process patents or intermediate patents for BLOXIVERZ?

Not provided.

Are device, delivery system, or combination partners protected?

Not provided.

Are there drug substance polymorph or particle-size constraints?

Not provided.

Investment scenario: Base case, bull case, and downside case for BLOXIVERZ

Featured-snippet answer: Build the scenario tree around (1) sales growth vs pricing, (2) time-to-exclusivity end vs generic entry, and (3) manufacturing and payer dynamics.

No commercial metrics, guidance, pricing, channel mix, or IP timeline inputs are provided, so quantified scenarios cannot be produced.

Base case assumptions (sales trajectory and IP duration)

Not provided.

Bull case assumptions (faster uptake, broader label, delayed competition)

Not provided.

Downside case assumptions (earlier-than-expected competition, price erosion, exclusivity challenges)

Not provided.

Key data table investors use for BLOXIVERZ (to model exclusivity and competition)

Category Field BLOXIVERZ value
FDA NDA/BLA number Not provided
FDA First approval date Not provided
Orange Book Active ingredient match Not provided
Exclusivity Exclusivity type(s) Not provided
Orange Book Listed patents count Not provided
IP Latest patent expiration Not provided
Litigation Paragraph IV filings Not provided
Litigation Settlement/consent decree Not provided
Commercial Peak sales / current revenue Not provided
Competition Number of approved competitors Not provided

Key Takeaways

BLOXIVERZ investment analysis cannot be completed to the required standard because the active ingredient, FDA approval identifiers, Orange Book patent list, exclusivity grants, and litigation/ANDA landscape are not provided. Without those, there is no defensible basis to state patent expiration dates, exclusivity loss timing, generic entry probability, or downside risk.

FAQs

  1. How do I determine BLOXIVERZ’s latest FDA exclusivity expiration date?
    Not determinable from the provided inputs.

  2. What Orange Book patents would block an ANDA for BLOXIVERZ?
    Not provided.

  3. What Paragraph IV challenges exist for BLOXIVERZ, and what launch dates did they target?
    Not provided.

  4. Does BLOXIVERZ have method-of-use patents that extend protection against generics?
    Not provided.

  5. If BLOXIVERZ is a biologic, what biosimilar pathways and patent barriers apply?
    Not provided.

References

  1. U.S. Food and Drug Administration. Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. (Accessed 2026-07-17).
  2. FDA. ANDA and Paragraph IV certification framework under the Hatch-Waxman Amendments. (Accessed 2026-07-17).

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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.