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mere aggregation

Definitions from Case Law · United States Supreme Court

Definitions from Case Law

From 307 U.S. 350 - Toledo Pressed Steel Co. v. Standard Parts, Inc. · 1939Most cited · 403 citing opinions

patent law

They performed no joint function

Each served as separately it had done. The patented device results from mere aggregation of two old devices, and not from invention or discovery.

How often courts cite the cases defining “mere aggregation”

193019401960198020002020179

Court decisions citing the 2 opinions that defined “mere aggregation” — 575 in all, by decade. Counts are citations to the defining cases as a whole, not verified uses of the term. The dip in the most recent years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the latest years.

All 2 definitions, chronological · 1935–1939

  1. the combination of them and adaptation of the combined result was a mere aggregation of old elements requiring no more than mechanical skill, and was not, therefore, patentable invention.