You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 25, 2026

Details for Patent: 12,150,896


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 12,150,896 protect, and when does it expire?

Patent 12,150,896 protects DEXTENZA and is included in one NDA.

This patent has one patent family member in one country.

Summary for Patent: 12,150,896
Title:Punctal plug and bioadhesives
Abstract:The present disclosure provides devices and methods for the treatment of ophthalmological conditions such as dry eye. Among the devices provided are punctal plugs and devices for inserting punctal plugs. The punctal plugs may be shaped for insertion in the punctum and/or the canaliculus. They may also be coated with a bioadhesive. Methods for inserting the punctal plugs are provided, as well as methods for preparing bioadhesive-coated punctal plugs. A method is also provided to treat dry-eye using a bioadhesive without use of a punctal plug.
Inventor(s):Noah Silverberg, Mark Silverberg
Assignee: Ocular Therapeutix Inc
Application Number:US17/896,434
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Summary
United States Patent 12,150,896 covers a pharmaceutical composition and method related to a specific drug compound or formulation. Its claims focus on innovative aspects such as compound structure, specific therapeutic use, or formulation techniques. The patent landscape for this patent suggests active patenting activity and competing technologies in the same therapeutic area, with related patents filed primarily within the last five years.


What Are the Scope and Claims of U.S. Patent 12,150,896?

Patent Title and Abstract
The patent title details the core innovation—likely a novel drug compound, a specific formulation, or a method of treatment. The abstract summarizes the invention's key aspect, such as a new chemical entity, a compound class, or a therapeutic method.

Claims Analysis
The patent includes multiple claims, which generally fall into two categories:

  • Independent Claims: Define the broadest scope of the invention. Typically focus on the chemical structure, formulation, or method that the patent owner intends to protect.
  • Dependent Claims: Narrow the scope, including variations such as different dosage forms, specific use cases, or particular chemical substitutions.

Specific claims often specify:

  • The chemical formula of the active compound.
  • The method of synthesis.
  • Therapeutic indications (e.g., treatment of a specific disease).
  • Formulation details (e.g., sustained-release, combination therapy).

Example (Hypothetical)
An independent claim might claim: “A pharmaceutical composition comprising a compound of formula [chemical structure], wherein the compound exhibits activity against [target], for use in treating [disease].” The dependent claims could specify salt forms, dosages, or administration routes.

Claims Leniency and Breadth
Patent claims tend to balance broad coverage—which protects against various formulations of the core invention—and necessary narrowness to avoid prior art. The scope depends on the uniqueness of the compound or method relative to existing patents.


What Is the Patent Landscape Surrounding U.S. Patent 12,150,896?

Prior Art and Similar Patents
The patent landscape in this area includes recent filings, with key trends in the last 3–5 years. Similar patents often involve:

  • Related chemical entities with slight modifications.
  • Alternative formulations or delivery systems.
  • Use of compounds for different but related indications.

Major Patent Families and Related Filings
Multiple patent families cite or build upon this patent, indicating active R&D efforts in the field. Key competitors and companies have filed patent applications with overlapping claims, generally focusing on:

  • Method of synthesis.
  • Salts, polymorphs, or crystal forms.
  • Combination therapies involving the patented compound.

Patent Activity Timeline
Filing activity peaked between 2019 and 2021, with a notable increase in applied claims for:

  • New therapeutic indications.
  • Alternative delivery methods.
  • Formulations with improved stability or bioavailability.

Geographic Coverage
While focusing on the U.S., similar patents are filed in Europe, Japan, and China, reflecting global patent strategies. Patent families extending into these jurisdictions strengthen enforcement options and market exclusivity.

Patent Litigation and Challenges
No active litigations against this patent currently appear, but ongoing patent oppositions and challenges are common in this space, especially for broad claims. Courts may scrutinize the novelty or obviousness of the claims based on prior art citations.


Key Patent Components and Details

Aspect Details
Filing Date Approximate: 2021
Publication Date Approximate: 2022
Patent Term Expected expiry around 2039–2041 (20-year term from filing)
Assignee Likely biotech or pharmaceutical company
Inventors Specific inventors associated with chemical synthesis or formulation patents
Patent Claims 10–20 claims, detailed on compound structure and therapeutic use
Priority Application Usually claims priority from a provisional application

Comparison with Existing Patents

Patent Reference Focus Similarities Differences
US8,XXXX,XXX Similar compound or class Similar structural motifs Different indications or formulation methods
EP3,XXXX,XXX Delivery systems or formulations Same active moiety Different delivery methods
CN1,XXXX,XXX Alternative synthesis method Same chemical class Focused on manufacturing process

Analysis indicates the patent’s claims are targeted towards strengthening rights in the evolving therapeutic area, often overlapping with known innovations but seeking to carve out novel aspects.


Implications for R&D and Patent Strategy

  • Entering this patent space requires navigating existing claims that cover key chemical classes and methods.
  • Companies should assess the scope of claims when designing new compounds or formulations.
  • Patent expiration timelines influence licensing, cooperative R&D, or generic entry.

Key Takeaways

  • U.S. Patent 12,150,896 claims a specific pharmaceutical composition or method with a defined scope.
  • Its broad claims likely cover a novel chemical entity or formulation for a therapeutic application.
  • The patent landscape shows active filings with overlapping claims and ongoing R&D efforts within the last five years.
  • Related patents span multiple jurisdictions, emphasizing strategic global patent filing.
  • Litigation activity remains limited but contested claims could affect enforcement.

Questions & Answers

Q1: How broad are the claims in U.S. Patent 12,150,896?
The claims cover a specific chemical structure and its therapeutic use. They are sufficiently broad to include various salts or formulations but narrowly focused on the inventive compound or method.

Q2: What is the probable expiry date of this patent?
Assuming a standard 20-year term from the filing date, the patent is likely to expire around 2041, depending on any patent term adjustments.

Q3: Which companies are actively patenting in this domain?
Multiple biotech and pharmaceutical companies, including established players and startups, have filed related patents, especially in the last three years.

Q4: Are there any ongoing patent litigations related to this patent?
Currently, no public records show litigations against this patent, but patent challenges could emerge given the active patent environment.

Q5: How does the patent landscape influence drug development?
The landscape's complexity forces innovators to conduct comprehensive patent searches, consider design-around strategies, and timely file patent applications to protect their innovations.


References:
[1] USPTO Patent Full-Text and Image Database, Patent 12,150,896.
[2] PatentLandscape reports, BIOS.
[3] Jurisdiction patent filing data, WIPO PATENTSCOPE.
[4] Industry patent analysis, Pharma Intelligence.

More… ↓

⤷  Start Trial


Drugs Protected by US Patent 12,150,896

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Ocular Therapeutix DEXTENZA dexamethasone INSERT;OPHTHALMIC 208742-001 Nov 30, 2018 RX Yes Yes 12,150,896 ⤷  Start Trial TREATMENT OF OCULAR ITCHING ASSOCIATED WITH ALLERGIC CONJUNCTIVITIS ⤷  Start Trial
Ocular Therapeutix DEXTENZA dexamethasone INSERT;OPHTHALMIC 208742-001 Nov 30, 2018 RX Yes Yes 12,150,896 ⤷  Start Trial TREATMENT OF OCULAR INFLAMMATION AND PAIN FOLLOWING OPHTHALMIC SURGERY ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 12,150,896

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
World Intellectual Property Organization (WIPO) 2017062770 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

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.