37 CFR 1.84 Patent Drawings: Complete 2026 Guide

May 2, 2026 17 min read

37 CFR 1.84 governs every USPTO patent drawing. This guide walks through every subsection — paper, margins, views, lines, shading, reference characters — with three infographics and a common-mistakes table.

Joint Inventorship: Rights and Responsibilities

April 26, 2026 11 min read

Joint inventorship is decided claim by claim, proved by clear and convincing evidence, and capable of destroying an infringement suit years after the patent issues. This…

How to Conduct a Freedom-to-Operate Analysis

April 26, 2026 10 min read

Before launching a new product or entering a new market, smart companies ask a critical legal question: are we free to operate? A freedom-to-operate analysis (FTO…

Prosecution History Estoppel: 7 Critical Rules

April 26, 2026 13 min read

Every statement made and every amendment filed during patent prosecution can have lasting consequences for the scope of your patent rights. The doctrine of prosecution history…