Details for Patent: 11,253,504

Which drugs does patent 11,253,504 protect, and when does it expire?

Patent 11,253,504 protects ZYNRELEF KIT and is included in one NDA.

This patent has twenty-two patent family members in nine countries.

Summary for Patent: 11,253,504

Title:	Compositions of a polyorthoester and an aprotic solvent
Abstract:	Delivery systems and compositions comprised of a biodegradable polyorthoester polymer, an aprotic solvent, and a drug are described. The solvent is selected to modulate release of drug from the composition, where, in some embodiments, the solvent is rapidly released after administration and provides a corresponding rapid rate of drug release. Alternatively, in other embodiments, the solvent is slowly released from the composition after its administration, and provides a correspondingly slow rate of drug release.
Inventor(s):	Ottoboni; Thomas B. (Belmont, CA), Girotti; Lee Ann Lynn (San Bruno, CA)
Assignee:	Heron Therapeutics, Inc. (San Diego, CA)
Application Number:	16/514,860
Patent Claim Types: see list of patent claims	Use; Composition; Delivery;

Analyzing the Scope and Claims of United States Patent 11,253,504: A Comprehensive Guide

Understanding the US Patent System

To delve into the specifics of United States Patent 11,253,504, it is crucial to first understand the broader context of the U.S. patent system. The U.S. Patent and Trademark Office (USPTO) is the agency responsible for granting U.S. patents and registering trademarks[2].

Tools for Patent Search

Patent Public Search

The USPTO offers several tools for searching patents, including the Patent Public Search tool, which replaced legacy search tools like PubEast and PubWest. This tool provides enhanced access to prior art with modern and flexible search capabilities[1].

Global Dossier

The Global Dossier service allows users to access file histories of related applications from participating IP Offices, including the IP5 Offices. This service is invaluable for understanding the patent family and related applications[1].

Patent and Trademark Resource Centers (PTRCs)

Local PTRCs provide additional resources and training in patent search techniques, helping users navigate the complex landscape of patent documentation[1].

Patent Claims Research Dataset

The Patent Claims Research Dataset, maintained by the USPTO, contains detailed information on claims from U.S. patents granted between 1976 and 2014 and U.S. patent applications published between 2001 and 2014. This dataset is crucial for analyzing patent scope and claim dependencies[3].

Analyzing Patent 11,253,504

Patent Details

To analyze the scope and claims of United States Patent 11,253,504, one would start by accessing the patent details through the USPTO's Patent Public Search tool or other search resources.

Claim Structure

The patent claims are the heart of any patent, defining the scope of the invention. The Patent Claims Research Dataset can provide insights into claim-level statistics and document-level statistics, including dependencies between claims. For example, the dataset can help identify whether the claims are independent or dependent, and how they relate to each other[3].

Prior Art and Citations

Using tools like the Common Citation Document (CCD), one can consolidate prior art citations from all participating IP5 Offices. This helps in understanding how the patent in question relates to other inventions and prior art in the field[1].

Patent Family and Global Dossier

The Global Dossier service can provide a comprehensive view of the patent family, including all related applications filed at participating IP Offices. This is essential for understanding the broader patent landscape and potential international implications[1].

Economic and Litigation Context

Patent Litigation Trends

The number of patent infringement lawsuits has fluctuated over the years, with significant changes influenced by legislation such as the Leahy-Smith America Invents Act (AIA). Understanding these trends can provide context on the potential litigation risks associated with a patent[4].

Stakeholder Views

Stakeholders in patent litigation often highlight key factors contributing to litigation, such as the type of patents involved and the impact of judicial system developments. For instance, software-related patents have been a significant source of litigation[4].

Practical Applications and Implications

Small Claims Patent Court

There have been discussions and studies on the feasibility of a small claims patent court, which could impact how patent disputes are resolved, especially for smaller entities. This could potentially affect the enforcement and defense strategies related to patents like 11,253,504[5].

Patent Quality and Examination

The quality of the patent examination process is crucial in determining the validity and enforceability of a patent. The USPTO has been working to improve patent quality by linking patent litigation trends with internal data on the patent examination process[4].

Key Takeaways

• Comprehensive Search Tools: Utilize tools like Patent Public Search, Global Dossier, and PTRCs to gather detailed information about the patent.
• Claim Analysis: Use the Patent Claims Research Dataset to understand the claim structure and dependencies.
• Prior Art and Citations: Consolidate prior art citations using the CCD to understand the patent's relationship to other inventions.
• Patent Family: Examine the patent family through the Global Dossier to understand international implications.
• Litigation Context: Consider trends in patent litigation and the impact of judicial and legislative changes.
• Practical Implications: Be aware of potential changes in patent dispute resolution mechanisms, such as a small claims patent court.

FAQs

Q: How can I search for a specific patent like 11,253,504?

A: You can use the USPTO's Patent Public Search tool or visit a Patent and Trademark Resource Center (PTRC) for assistance.

Q: What is the significance of the Global Dossier service?

A: The Global Dossier service provides access to the file histories of related applications from participating IP Offices, helping users understand the patent family and international implications.

Q: How can I analyze the claims of a patent?

A: Use the Patent Claims Research Dataset to gain insights into claim-level statistics and dependencies between claims.

Q: What impact does the Leahy-Smith America Invents Act (AIA) have on patent litigation?

A: The AIA has led to changes in patent litigation, including limiting the number of defendants in a lawsuit and increasing the number of overall defendants in patent infringement lawsuits[4].

Q: Is there a proposal for a small claims patent court?

A: Yes, the Administrative Conference of the United States (ACUS) has conducted a study on the feasibility and potential structure of a small claims patent court, which could affect how patent disputes are resolved[5].

Sources

1. USPTO - Search for patents: https://www.uspto.gov/patents/search
2. USA.gov - U.S. Patent and Trademark Office (USPTO): https://www.usa.gov/agencies/u-s-patent-and-trademark-office
3. USPTO - Patent Claims Research Dataset: https://www.uspto.gov/ip-policy/economic-research/research-datasets/patent-claims-research-dataset
4. GAO - Assessing Factors That Affect Patent Infringement Litigation: https://www.gao.gov/products/gao-13-465
5. ACUS - U.S. Patent Small Claims Court: https://www.acus.gov/research-projects/us-patent-small-claims-court

Drugs Protected by US Patent 11,253,504

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Heron Theraps Inc	ZYNRELEF KIT	bupivacaine; meloxicam	SOLUTION, EXTENDED RELEASE;PERIARTICULAR	211988-001	May 12, 2021		DISCN	Yes	No						TREATMENT OF POSTSURGICAL PAIN PROVIDING ANALGESIA TO A PATIENT FOR UP TO 72 HOURS, FOR EXAMPLE, AFTER BUNIONECTOMY, OPEN INGUINAL HERNIORRHAPHY, OR TOTAL KNEE ARTHROPLASTY VIA SOFT TISSUE OR PERIARTICULAR INSTILLATION
Heron Theraps Inc	ZYNRELEF KIT	bupivacaine; meloxicam	SOLUTION, EXTENDED RELEASE;PERIARTICULAR	211988-002	May 12, 2021		RX	Yes	Yes						TREATMENT OF POSTSURGICAL PAIN PROVIDING ANALGESIA TO A PATIENT FOR UP TO 72 HOURS, FOR EXAMPLE, AFTER BUNIONECTOMY, OPEN INGUINAL HERNIORRHAPHY, OR TOTAL KNEE ARTHROPLASTY VIA SOFT TISSUE OR PERIARTICULAR INSTILLATION
Heron Theraps Inc	ZYNRELEF KIT	bupivacaine; meloxicam	SOLUTION, EXTENDED RELEASE;PERIARTICULAR	211988-003	May 12, 2021		DISCN	Yes	No						TREATMENT OF POSTSURGICAL PAIN PROVIDING ANALGESIA TO A PATIENT FOR UP TO 72 HOURS, FOR EXAMPLE, AFTER BUNIONECTOMY, OPEN INGUINAL HERNIORRHAPHY, OR TOTAL KNEE ARTHROPLASTY VIA SOFT TISSUE OR PERIARTICULAR INSTILLATION
Heron Theraps Inc	ZYNRELEF KIT	bupivacaine; meloxicam	SOLUTION, EXTENDED RELEASE;PERIARTICULAR	211988-004	May 12, 2021		RX	Yes	Yes						TREATMENT OF POSTSURGICAL PAIN PROVIDING ANALGESIA TO A PATIENT FOR UP TO 72 HOURS, FOR EXAMPLE, AFTER BUNIONECTOMY, OPEN INGUINAL HERNIORRHAPHY, OR TOTAL KNEE ARTHROPLASTY VIA SOFT TISSUE OR PERIARTICULAR INSTILLATION

International Family Members for US Patent 11,253,504

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2014228313
Australia	2019202415
Australia	2020250230
Canada	2906666
China	105358129