Markman Ruling Finds Preamble Limiting, Claim Term Indefinite

The Southern District of Texas issued an interesting Markman ruling in ConocoPhillips v. In-Depth Geophysical. While the court construed most of the claim terms in ConocoPhillips’s favor, In-Depth managed to secure rulings that… Read More

Using Claim Construction to Import Limitations

In Continental Circuits LLC v. Intel Corp. No. 2018-1076 (Fed. Cir. Feb. 8, 2019) the Federal Circuit determined the district court erred in its claim construction and explained the high bar that must be met to import limitations… Read More

Patent Drafting Tip: Take Care with Open-Ended Descriptions

Be careful with the conventional wisdom that tells a patent drafter to use permissive, open-ended language when describing features of an invention.  Like me, you may have been taught to avoid “patent obscenities” like “inv… Read More

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