Patent Attorney and Founder
Hi, everyone! JD Houvener here to tackle a common question: Can patents be revoked? The short answer? Yes. Let me explain how this can happen in two main ways.
1. Changing Laws
Patent laws aren’t set in stone. They evolve, and sometimes, court decisions can shift the ground under your feet. A famous example is the Alice v. CLS Bank case from 2014.
Here’s what happened:
A company patented a system for handling foreign currency exchange, something banks had been doing for years. The difference? Their method used a computer. Initially, the patent was approved. But as the case moved through the courts, the Supreme Court decided that just adding a computer to an existing process wasn’t “novel” enough to warrant a patent.
That ruling didn’t just affect one case—it invalidated thousands of software patents issued before the decision. If you had a similar patent from that era, it was likely on shaky ground.
The takeaway? Patent validity depends on current laws. What’s enforceable today might not hold up tomorrow if the rules change.
2. Challenges in Court
Another way patents can be revoked is through legal challenges. Let’s say you think someone’s infringing on your patent. You take them to court. What’s one of their first moves? They might try to invalidate your patent.
Here’s how:
When patents are granted, examiners do their best to check for “prior art” (existing inventions or publications). But they’re human. They might miss something. If the defendant finds better evidence—like a previously unnoticed patent or article—they can argue your patent never should have been granted in the first place.
Big companies, with their deep pockets, are particularly good at this. They can afford to dig deep, hire experts, and find that one overlooked piece of evidence. If they succeed, your patent could be revoked, even years after it was granted.
The Bottom Line
Owning a patent doesn’t mean it’s invincible. Whether it’s due to changes in the law or courtroom challenges, patents can be overturned. Always stay informed and prepared to defend your rights.
Thanks for tuning in! I’m JD Houvener with Bold Patents. Stay bold.