ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,521, issued on Aug. 5, was assigned to Black Hills IP Holdings LLC (Minneapolis).

"Method and apparatus for cross-referencing important IP relationships" was invented by Steven W. Lundberg (Edina, Minn.) and Janal M. Kalis (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "This document discusses, among other things, a system and method to provide cross-referencing of important IP relationships. The system comprising software executing on a computing platform for displaying relationships between various domains of IP information selected from the group of claims, prosecution history, products, concepts or art."

The patent was filed on Sept....