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Case Studies

Articles filed under Case Studies in our patent knowledge blog: practical guidance and case analysis.

Case StudiesJul 3, 2026Jian Zhu4 min read

A Manufacturing Design-Around Case: What Happened After Switching Technical Routes

A manufacturing business owner's real experience: competitor patents blocked the product roadmap, and a counsel-led design-around switched the technical route. Individual results vary — but the methodology is worth a post-mortem.

#design around#case study#manufacturing
Case StudiesMar 9, 2026Jian Zhu12 min read

MP3 vs Sony: The Patent War That Changed the Music Industry

How Fraunhofer MP3 patents and open standards defeated Sony proprietary ATRAC format, reshaping the music industry and setting precedents for standards essential patents and FRAND licensing.

#MP3 patent#Sony#patent war#standards essential patents
Case StudiesMar 8, 2026Jian Zhu14 min read

Patent Valuation: How Investment Banks Assess Patent Portfolio Worth

How investment banks and VCs assess patent portfolio value using cost, market, and income approaches, with real-world case studies from Google-Motorola, Nortel, and major M&A deals.

#patent valuation#IP valuation#M&A#due diligence
Case StudiesJul 27, 2025Jian Zhu11 min read

Landmark Patent Cases in China: Milestone Judgments with Record Damages

Analyzing landmark patent cases in China with record-breaking damage awards.

#China litigation#landmark cases#high damages#IP court
Case StudiesJul 27, 2025Jian Zhu11 min read

Smartphone Patent Wars: 15 Years of Battle from Nokia to Apple

Panoramic review of 15 years of smartphone patent wars from Nokia to Apple to Huawei.

#smartphone#patent wars#Nokia#Apple
Case StudiesJul 25, 2025Jian Zhu11 min read

The CRISPR Patent Dispute: When Scientific Discovery Meets Patent Law

Analyzing the CRISPR patent ownership battle and the patent protection dilemma for basic research.

#CRISPR#gene editing#patent dispute#Nobel Prize
Case StudiesJul 25, 2025Jian Zhu9 min read

Dyson's Patent Protection Story: An Inventor's Enforcement Playbook

James Dyson protects his innovations with over 5,000 patents. Learn how he used cyclone technology patents to win a major high court battle against Hoover.

#Dyson#product innovation#enforcement#inventor
Case StudiesJul 24, 2025Jian Zhu8 min read

Huawei's Global Patent Strategy: From Defendant to Counter-Attacker

Tracing Huawei's transformation from patent underdog to global patent powerhouse.

#Huawei#global strategy#patent litigation#5G patent
Case StudiesJul 24, 2025Jian Zhu9 min read

Qualcomm's Patent Licensing Model: From Chip Giant to Licensing Empire

Deep dive into Qualcomm's patent licensing model and why it collects royalties from every phone.

#Qualcomm#licensing model#chip#patent licensing