KeepsakeMom Earns U.S. Patent for Proprietary Breastmilk Preservation Jewelry Method

The U.S. Patent and Trademark Office granted KeepsakeMom Creations USA Inc. federal protection for its proprietary breastmilk preservation method on February 10, 2026, issuing U.S. Patent No. 12,543,828 to the Blaine, Washington studio that describes itself as North America's highest-volume handcrafted breastmilk jewelry maker.

The patent addresses a genuinely persistent problem in a niche but growing segment of the keepsake jewelry market: breastmilk, when improperly stabilized before being suspended in resin, browns, separates, or degrades over time, producing a piece that looks nothing like what the customer received at delivery. KeepsakeMom's method, which the company says was developed in collaboration with PhD chemists and refined through laboratory testing and real-world application, is designed to prevent precisely those outcomes, including browning, inconsistent texture, and long-term instability.

The technical stakes matter here because resin jewelry, unlike metal or stone, is a relatively unregulated category where craftsmanship standards vary widely. A patented preservation protocol shifts that dynamic: the method is now federally protected, meaning KeepsakeMom's specific approach to stabilizing milk before it enters the resin-casting process cannot be replicated without legal consequence.

"We've always believed that something as meaningful as breastmilk jewelry deserves the science, precision, and respect that a true heirloom warrants," said founder Anna Thachuk. "Our patented method helps ensure that every mother receives a beautifully preserved, lasting keepsake that honors her breastfeeding journey."

The company first announced the process as patent-pending on November 25, 2025, at which point it described the collaboration with PhD chemists as central to the method's development. The USPTO issued the patent roughly two and a half months later. Every piece in the studio's collection, which spans necklaces, rings, earrings, and bracelets, is finished by hand, according to the company.

What this patent cannot resolve, at least from outside the studio, is the broader question of how breastmilk jewelry holds up across decades rather than years. The research notes contain no independent third-party testing or gemological analysis of resin stability over archival timeframes, and the company's longevity claims remain its own. That caveat aside, securing a U.S. patent for a preservation method in a category that has operated largely on craft tradition and informal technique represents a meaningful step toward the kind of documented, reproducible quality standard that separates a keepsake from an heirloom.