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The 10 Most Expensive Patent Battles in History
From Apple v. Samsung to Qualcomm v. Apple, these are the 10 most expensive patent disputes in history — what patents were at stake, what was paid, and what each case changed about the industry.
Provisional vs Non-Provisional Patent: When Should You Skip the Provisional?
A provisional buys 12 months and costs less — but it creates risks if done carelessly. Here's when to file a provisional, when to skip it, and the mistakes that destroy priority date protection.
Patent Valuation: How Much Is Your Patent Actually Worth?
Patent value is notoriously hard to quantify — but there are four standard approaches. Here's how to think about what your patent is worth, from cost approach to income approach to the rule of 25%.
How to Do a Patent Prior Art Search (Step by Step)
A thorough prior art search can save you $15,000 in patent attorney fees — or reveal invalidity arguments against a competitor's patent. Here's the step-by-step process using free databases.
How to Read a Patent Claim Chart (And Why Lawyers Use Them)
A patent claim chart maps each claim element to features of an accused product or prior art reference. Here's how they work, how to build one, and a worked example using a real patent.
USPTO Filing Fees in 2026: The Complete Breakdown
Every USPTO patent filing fee explained: provisional, non-provisional, search, examination, issue, maintenance, and Track One. Includes micro/small/large entity rates and micro entity eligibility rules.
Patent Infringement: Real Cases That Changed Technology
From Apple v. Samsung to Qualcomm v. Apple, these are the patent infringement cases that reshaped the technology industry — what patents were at stake, what happened, and what changed.
Real Software Patent Examples — What Gets Protected (and What Doesn't)
After Alice v. CLS Bank, software patents must solve specific technical problems — not just 'do it on a computer.' Here are real examples of what gets granted and what gets rejected.
How to License a Patent: A Founder's Guide
Patent licensing lets you monetize an invention without manufacturing it yourself. Here's how exclusive vs. non-exclusive licenses work, how royalties are structured, and how to find licensees.
What Is a Patent Troll? (And Why They're So Controversial)
Patent trolls — formally called non-practicing entities — sue companies for infringement without making any products. Here's what they are, why they're legal, and how to defend against them.
10 Most Influential Patents of All Time
From Bell's telephone to CRISPR, these are the 10 patents that most dramatically changed the course of technology, medicine, and society — and what each one actually claimed.
Patent Claims Explained: The Part That Actually Matters
Patent claims define the legal scope of a patent — what's protected and what isn't. Here's how to read them: preamble, transition, body, independent vs. dependent, and 'comprising' vs. 'consisting of.'
What Is a Provisional Patent Application?
A provisional patent application gives you 12 months of 'patent pending' status and establishes an early filing date. Here's what it does, what it doesn't do, and when you should — and shouldn't — file one.
How Long Does a Patent Last? (And What Happens When It Expires)
Utility patents last 20 years from filing. Design patents last 15 years from grant. But maintenance fees, term extensions, and adjustments complicate the picture. Here's what you need to know.
Patent vs Copyright vs Trademark: What's the Real Difference?
Patent, copyright, and trademark each protect something completely different. Here's a plain-English breakdown of what each covers, how long it lasts, and when you need which one.
How to Read a Patent Like an Engineer
Most engineers never learn to read patents. Here's a practical guide to extracting what you need without getting lost in legal language.
Five Patents That Built the iPhone
The iPhone didn't emerge from a single invention. It's a product built on thousands of patents. Here are five that defined what it became.
Prior Art: The Concept That Can Kill Any Patent
Prior art is the reason most patent applications get rejected — and the most powerful weapon against existing patents. Here's what it is and how it works.
What Happens When a Patent Expires?
When a patent expires, that invention enters the public domain. The effects ripple through entire industries — here's what actually happens.
How Do Patent Claims Actually Work?
Patent claims are the legal core of every patent — they define exactly what is protected. Here's how to read them without a law degree.