STOCK TITAN

Liquidia loses YUTREPIA ruling on two patent claims

YUTREPIA was approved in 2025 for PAH and PH-ILD; the patent ruling concerns claims tied to PH-ILD treatment.

(High)

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

Form Type
8-K

Rhea-AI Filing Summary

Liquidia Corporation reported that a Delaware federal court found claims 1 and 14 of U.S. Patent No. 11,826,327 valid and infringed by Liquidia in litigation concerning YUTREPIA; the other asserted claims were found invalid.

The court directed the parties to submit a form of judgment specifying their proposed remedies within one week. Liquidia said the remedy remains uncertain, and potential remedies could range from removing PH-ILD from YUTREPIA’s label to a broader restriction on availability; United Therapeutics requested injunctive relief restricting availability. Chief Executive Officer Roger Jeffs said Liquidia disagrees with the decision, is prepared to pursue available appellate options, and intends to submit an FDA supplement to remove PH-ILD from the label.

0 points · 0 major

How this balance works

Rhea-AI gives every point it takes from this document a weight. Minor counts 1, Moderate 3 and Major 9, so one Major point outweighs several Minor ones. The bar adds up the weights on each side, and when neither side holds more than 65% of the total the balance reads Mixed.

It reads the document as published, with the same rules for every company, and it does not look at what the market expected or at how the stock traded, so a point can be objectively good on a day the stock falls.

Rhea-AI Sentiment measures something else, the tone of the wording.

1 major · 1 point

How the balance works

Positive

  • None.

Negative

  • Major pointThe court found claims 1 and 14 of the ’327 patent valid and infringed.

Insights

Analyzing...

Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Patent claims ruled on Claims 1 and 14 The court found both claims valid and infringed.
Patent number 11,826,327 The patent at issue in the litigation.
Judgment submission period Within one week The court directed the parties to submit a form of judgment specifying proposed remedies.
YUTREPIA approval year 2025 Approved for PAH and PH-ILD.
Hatch-Waxman Act regulatory
"litigation ... under the Hatch-Waxman Act"
A U.S. law that created a faster approval route for generic drugs while allowing original drug makers limited extensions of their patent protection, balancing quicker competition with incentives to innovate. Think of it as a system that shortens the time for a copycat product to get regulatory clearance while preserving a temporary “fence” around the original maker’s market; this timing directly affects when sales and profits shift and is a key factor for investors valuing drug companies and forecasting revenue risks.
PH-ILD medical
"pulmonary hypertension associated with interstitial lung disease (PH-ILD)"
PH-ILD stands for pulmonary hypertension associated with interstitial lung disease, a condition where stiff or scarred lung tissue makes it harder to move oxygen into the blood and causes dangerously high blood pressure in the lung arteries. Investors care because it signals a serious, progressive illness with limited treatment options, shaping demand for therapies, clinical trial design, regulatory review and long-term revenue potential in respiratory and cardiovascular drug markets.
injunctive relief regulatory
"UTHR has asked the Court for injunctive relief"
A court-ordered instruction requiring a person or company to do or stop doing a specific action to prevent harm or preserve a situation. For investors, injunctive relief can immediately alter a business’s operations, block sales or product use, or preserve assets—like a referee pausing play to prevent unfair advantage—so it can swiftly affect revenue, legal exposure and share value while longer legal battles continue.
New Drug Application regulatory
"a supplement to YUTREPIA’s New Drug Application to the FDA"
A new drug application is a formal request submitted to government regulators seeking approval to market a new medicine. It is like a detailed proposal that shows the drug has been tested for safety and effectiveness. For investors, receiving approval signals that the drug may soon become available for sale, potentially leading to revenue growth and impacting the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did the court decide in LQDA’s ’327 patent case?

The court ruled that claims 1 and 14 of U.S. Patent No. 11,826,327, concerning treatment of PH-ILD with inhaled treprostinil, are valid and infringed by Liquidia; the other asserted claims were found invalid.

Could LQDA’s patent ruling affect YUTREPIA availability?

The exact remedy remains uncertain. Potential remedies could range from removing the PH-ILD indication from YUTREPIA’s label to a broader restriction on product availability; United Therapeutics requested injunctive relief restricting availability in its post-trial briefs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
false 0001819576 0001819576 2026-09-30 2026-09-30 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

 

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported): September 30, 2026

 

LIQUIDIA CORPORATION
(Exact name of registrant as specified in its charter)
     
Delaware 001-39724 85-1710962
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)

 

419 Davis Drive, Suite 100, Morrisville, North Carolina 27560
(Address of principal executive offices) (Zip Code)

 

Registrant’s telephone number, including area code: (919) 328-4400 

(Former name or former address, if changed since last report.)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

 

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class Trading Symbol(s) Name of each exchange on which registered
Common stock LQDA The Nasdaq Stock Market LLC

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

 

Emerging growth company ¨

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

 

 

 

 

 

 

Item 8.01 Other Events.

 

On September 30, 2026, Liquidia Corporation, a Delaware corporation (the “Company”), issued a press release regarding the litigation filed by United Therapeutics Corporation in the U.S. District Court for the District of Delaware under the Hatch-Waxman Act concerning U.S. Patent No. 11,826,327 and the Company’s lead product, YUTREPIA® (treprostinil) inhalation powder. A copy of the press release is filed as Exhibit 99.1 hereto and is incorporated by reference into this Item 8.01.

 

Item 9.01 Financial Statements and Exhibits.

 

(d)

 

Exhibit
No.
  Exhibit
99.1   Press Release of Liquidia Corporation, dated September 30, 2026.
104   Cover Page Interactive Data File (embedded within the Inline XBRL document).

 

 

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

September 30, 2026 Liquidia Corporation
   
  By: /s/ Michael Kaseta
    Name: Michael Kaseta
    Title: Chief Financial Officer and Chief Operating Officer

 

 

 

 

Exhibit 99.1

 

Liquidia Provides Update on Hatch-Waxman Litigation Tied to ‘327 Patent

 

·District Court ruled that two of the six claims asserted against Liquidia are valid and infringed
·Parties directed to submit form of judgment, specifying the proposed remedy, for the District Court’s consideration within one week

 

MORRISVILLE, N.C., September 30, 2026 – Liquidia Corporation (NASDAQ: LQDA), a biopharmaceutical company driven by science and compassion to revolutionize care for patients with challenging respiratory and vascular diseases, today issued an update regarding the litigation filed by United Therapeutics Corporation (UTHR) in the U.S. District Court for the District of Delaware (the Court) under the Hatch-Waxman Act concerning U.S. Patent No. 11,826,327 (‘327 patent) and the Company’s lead product, YUTREPIA® (treprostinil) inhalation powder.

 

Today, the Court ruled that claims 1 and 14 of the ‘327 patent, which generally cover the treatment of pulmonary hypertension with interstitial lung disease (PH-ILD) patients with inhaled treprostinil, including dry powder formulations of inhaled treprostinil, are valid and infringed by Liquidia. The remaining claims of the ‘327 patent that were asserted against Liquidia were found to be invalid. The parties have been directed to submit to the Court a form of judgment, which will specify the parties’ proposed remedies for infringing such claims, within one week.

 

Roger Jeffs, Chief Executive Officer of Liquidia, said: “We respectfully disagree with the Court’s decision regarding claims 1 and 14 and are fully prepared to pursue all available appellate options. As previously communicated to the Court, we intend to submit a supplement to YUTREPIA’s New Drug Application to the FDA to remove PH-ILD from the label. Our commitment to patients remains unwavering.”

 

Given the number of variables, including potential appeals and further proceedings, it is not possible at this time to reasonably estimate the range of potential outcomes or financial exposure. While the exact remedy to be awarded by the District Court remains uncertain, potential remedies could range from the removal of the indication to treat pulmonary hypertension associated with interstitial lung disease (PH-ILD) from YUTREPIA’s label to a broader restriction on product availability. In post-trial briefs, UTHR has asked the Court for injunctive relief that would restrict YUTREPIA’s availability on the market.

 

About YUTREPIA® (treprostinil) Inhalation Powder

 

YUTREPIA is an inhaled dry-powder formulation of treprostinil delivered through a convenient, low-effort, palm-sized device. YUTREPIA was approved in 2025 for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD) to improve exercise ability. YUTREPIA was designed using Liquidia’s PRINT® technology, which enables the development of drug particles that are precise and uniform in size, shape and composition, and that are engineered for enhanced deposition in the lung following oral inhalation. YUTREPIA was previously referred to as LIQ861 in investigational studies.

 

About Liquidia Corporation

 

Liquidia Corporation is a biopharmaceutical company driven by science and compassion to revolutionize care for patients with challenging respiratory and vascular diseases through precise, innovative therapies and applications of its proprietary PRINT® technology. PRINT enabled the development of YUTREPIA® (treprostinil) inhalation powder for the treatment of pulmonary arterial hypertension (PAH)[ and pulmonary hypertension associated with interstitial lung disease (PH-ILD)]. The company is also developing L606, an investigational extended-release formulation of treprostinil administered twice-daily with a next-generation nebulizer, and currently markets generic Treprostinil Injection for the treatment of PAH. To learn more about Liquidia, please visit www.liquidia.com.

 

 

 

 

Cautionary Statements Regarding Forward-Looking Statements

 

This press release may include forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this press release other than statements of historical facts, including statements regarding our future results of operations and financial position, our strategic and financial initiatives, our business strategy and plans and our objectives for future operations, are forward-looking statements.

 

Forward-looking statements, including statements regarding clinical trials, clinical studies and other clinical work (including the funding therefor, anticipated patient enrollment, safety data, study data, trial outcomes, timing or associated costs), regulatory applications and related submission contents and timelines, the timelines or outcomes related to our patent and trade secret litigation with United Therapeutics, including rehearings or appeals of decisions in any such proceedings, the issuance of patents by the USPTO and our ability to execute on our strategic or financial initiatives, our estimates regarding future expenses, capital requirements and needs for additional financing, and potential revenue and profitability of YUTREPIA involve significant risks and uncertainties and actual results could differ materially from those expressed or implied herein. The decisions of courts or other tribunals are not determinative of the outcome of the appeals or rehearings of the decisions. Our ability to maintain YUTREPIA’s approval and to continue commercialization of YUTREPIA remain subject to ongoing litigation in which United Therapeutics is seeking injunctive relief, which could block our ability to continue to sell YUTREPIA for one or both of PAH and PH-ILD. The words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “target,” “would,” and similar expressions are intended to identify forward-looking statements. We have based these forward-looking statements largely on our current expectations and projections about future events and financial trends that we believe may affect our financial condition, results of operations, business strategy, short-term and long-term business operations and objectives and financial needs. These forward-looking statements are subject to a number of risks discussed in our filings with the SEC, as well as a number of uncertainties and assumptions. Moreover, we operate in a very competitive and rapidly changing environment and our industry has inherent risks. New risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties and assumptions, the future events discussed in this press release may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements. Nothing in this press release should be regarded as a representation by any person that these goals will be achieved, and we undertake no duty to update our goals or to update or alter any forward-looking statements, whether as a result of new information, future events or otherwise.

 

Contact Information

Investors: 

Jason Adair
Chief Business Officer
919.328.4350
jason.adair@liquidia.com

 

Media:

media@liquidia.com

 

 

 

Filing Exhibits & Attachments

4 documents

Keep reading