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The Sandscript

IP knowledge.
USPTO news.

Written with mathematicians, engineers, CTOs, scientists, developers and innovators in mind. Every article applies over 50 years of combined US patent examining experience to current USPTO practice, proposed regulatory changes, and the historical context underlying both.

The Sandscript
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35 USC 101

Diamond v. Diehr, 450 U.S. 175

The Arrhenius Equation Is 140 Years Old. Here Is How One Company Made It Proprietary. In 1981, the Supreme Court permitted a rubber manufacturer to build patent protection around a

Apr 2026 9 min read
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