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Dennis Crouch

Dennis Crouch

Editor & Author/Blogger at Patently-O: Patent Law Blog

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Influence score
44
Location
United States
Languages
  • English
Covering topics
  • Intellectual Property

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Recent Articles

patentlyo.com

Pre-Suit Validity Investigation: When Must a Patentee Look Before Suing?

Pre-Suit Validity Investigation: When Must a Patentee Look Before Suing?
patentlyo.com

Substantially In Battery: Rare Breed's Trigger Patent Campaign Reac...

Rare Breed's trigger appeal at the Federal Circuit: why the O2 Micro misstep below may not matter, and how a DOJ deal fueled a 95-case patent MDL.
patentlyo.com

Design Patents Did It: How China Passed Japan in US Patent Grants

China passed Japan in US patent grants in 2024, but the margin is almost entirely design patents. Japan still leads in utility patents.
patentlyo.com

Problem Statements and the Scope of Prior Art

The Federal Circuit holds that a patent's express problem statement cannot narrow analogous art when the claims themselves sweep far broader.
patentlyo.com

The Trail Guide Problem: Judge, Jury, and Design Patent Claim Const...

The Federal Circuit denies en banc rehearing in Range of Motion v. Armaid. Chief Judge Moore says Markman was built for text, not pictures.
patentlyo.com

Rise of AI Patents and their Corresponding Eligibility Rejections

AI applications draw §101 rejections at 42% against 7% for everything else, while §103 rates are identical. The 2019 guidance effect has eroded.
patentlyo.com

Partial Retreat: Ten Months of § 101 Data After the Surge

PTAB § 101 reversals fell from 21% to 15% since April 2026, giving back half the Squires-era gain but staying above the 9.4% baseline.
patentlyo.com

Boilerplate or Not: Reading “Secure” Broader Than IPSec in MPH v. A...

Boilerplate or Not: Reading “Secure” Broader Than IPSec in MPH v. Apple
patentlyo.com

FRAND at the Pool Level

UK Supreme Court revives Tesla's Avanci pool rate challenge and holds Delaware is not an available forum for setting FRAND terms on UK patents.
patentlyo.com

The Filing Clock: Hour-of-Day Patterns in USPTO Electronic Submissions

USPTO e-filings peak at 3pm Eastern, with a quarter arriving after 5. New applications cluster Friday; office action responses cluster Monday.
patentlyo.com

RCEs, Abandonment, and the Vanishing Patent Appeal

Weekly RCE filings quadrupled since 2005 and now run well above abandonments and appeals, though most disposed applications still never file one.