Drug Eluting Heart Valve Prosthesis Patent

The USPTO published patent application US20260090879A1 by inventor Theodoros Kofidis for a heart valve prosthesis with embedded drug eluting mechanisms. The application was filed on September 13, 2023, and covers prosthesis designs incorporating various therapeutic drug compounds for localized delivery during implantation.

US patent US20260090878A1 for intraocular lens delivery tools

US patent US20260090878A1 for intraocular lens delivery tools

Composition for Promoting the Skin Microbiome

USPTO published patent application US20260090967A1 for a skin microbiome promoting composition. The application claims a combination of carbon sources (glucose, fructose, saccharose, maltose, maltodextrin, pyruvic acid, pyruvate, lactic acid and lactate) and nitrogen sources (alanine, glycine, arginine and urea), and/or caprylic/capric triglycerides. Inventors include Jennifer Huepeden, Mirja Laschet, Karen Tom Dieck, Heike Foelster, and Sabine Sellckau.

Sodium DNA Lipid Nanoparticle Drug Delivery Patent

USPTO published patent application US20260090968A1 for a lipid nanoparticle composition containing sodium DNA as an active ingredient, with applications in pharmaceutical drug delivery systems. The composition includes sodium dilauramidoglutamide lysine as an amphiphilic surfactant, distearoylphosphatidylcholine as an auxiliary surfactant, cholesterol as a stabilizer, and auxiliary stabilizers including PEG-120 stearate, polyglyceryl-4 caprate, and PEG-PCL copolymer. Filing date is October 10, 2023.

Cellular Oxidative and Mitochondrial Stress Protection Compositions

NUCHIDO LIMITED filed USPTO Patent Application US20260090969A1 for compositions protecting cells from oxidative and mitochondrial stress. The application discloses a combination of bioactive compounds including NMN, NR, resveratrol, curcumin, and other cellular stress protectors for pharmaceutical and cosmetic applications. Published April 2, 2026.

Federal Register Daily Index Prototype

The Federal Register published its daily index for April 2, 2026, containing 129 documents from 43 agencies across 275 pages. This prototype Web 2.0 version of the FederalRegister.gov daily index remains unofficial until the Administrative Committee of the Federal Register grants it official legal status. Contents include 100 notices, 13 proposed rules, 16 final rules, and 3 significant documents.

Nasdaq GEMX Co-Location Fee Schedule

Nasdaq GEMX, LLC filed with the SEC to establish fees for its expanded co-location services under SR-GEMX-2026-12. The proposed rule change was filed and made immediately effective, consistent with standard SRO fee filing procedures. Market participants utilizing or considering exchange co-location services should review the new fee structure.

NYSE Arca Amends Short Term Options Series Program

NYSE Arca, Inc. filed a proposed rule change (SR-NYSEARCA-2026-34) with the SEC to amend its Short Term Options Series Program. The filing, designated for immediate effectiveness under Release No. 34-105110, was published in the Federal Register as 91 FR 16778. The amendments modify the operational framework for short-term options series trading on the exchange.

Nasdaq Texas Establishes Expanded Co-Location Service Fees

The SEC published Nasdaq Texas's proposed rule change to establish fees for expanded co-location services. The filing, designated Release No. 34-105113, was granted immediate effectiveness on April 2, 2026. The notice affects member firms and customers seeking co-location infrastructure at Nasdaq Texas trading facilities.

Revised Mailing Standards for Firearms

The United States Postal Service has published a proposed rule to revise mailing standards for firearms. The proposed amendments would update requirements for shipping firearms through the mail, potentially including changes to eligible firearm types, packaging requirements, and verification procedures. Public comments are being accepted until May 4, 2026.