PolicyBrief
S. 1546
119th CongressMay 1st 2025
Patent Eligibility Restoration Act of 2025
IN COMMITTEE

The Patent Eligibility Restoration Act of 2025 aims to eliminate judicial exceptions to patent eligibility, ensuring that any useful process, machine, manufacture, or composition of matter is patentable, with specific exclusions for certain subject matter such as unmodified natural materials and purely mental processes.

Thom Tillis
R

Thom Tillis

Senator

NC

LEGISLATION

Patent Eligibility Act of 2025: Major Shift Could Expand What Gets Patented, From Software to Modified Genes

Alright, let's talk about the 'Patent Eligibility Restoration Act of 2025.' This isn't just some minor tweak to the rules; it's a pretty big proposed overhaul of what kind of inventions can get a U.S. patent. The bill itself, in Section 2, says there's a 'need for clarification due to judicial exceptions' that have apparently been causing 'confusion and inconsistency.' So, its main mission is to wipe the slate clean of many existing court-made limits on patent eligibility and lay down a new set of ground rules. The idea is to make it clearer – and potentially easier – to patent 'useful' processes, machines, products, or materials, or any 'useful improvement' to them.

Wiping the Slate Clean: What's Out with the Old Patent Rules?

For a while now, figuring out if your invention was even eligible for a patent in the first place – especially for things like software or biotech – has felt like navigating a maze. This was largely due to a series of court decisions that carved out exceptions to what 35 U.S.C. § 101 (the basic law defining what's patentable) actually covered. This Act, as stated in its findings in Section 2, wants to 'eliminate all judicial exceptions to patent eligibility.' Think of it like this: the courts had put up some 'do not enter' signs for certain types of inventions. This bill proposes to take most of those signs down, aiming for a more straightforward path defined directly by Congress. The goal is to bring more certainty, but it also means the gates could be opening wider for what qualifies.

The New Line-Up: What's In and What's Out for Patents?

So, if the old court rules are out, what does this Act say can't be patented? Section 3 lays out some specific no-go zones. You still can't patent a raw mathematical formula just floating by itself, or a mental process that happens purely in someone's head. Also off-limits, according to Section 2 and 3, are 'unmodified human genes, as that gene exists in the human body,' and 'unmodified natural materials, as that material exists in nature.'

However, and this is a big 'however,' the bill clarifies that if you take a human gene and 'purify, enriched, or altered' it through human activity, or do the same to a natural material, it could be patentable (Section 3). This is where things get interesting, and potentially tricky, because 'altered' can mean different things to different people. What about business methods or software? The bill says processes that are 'substantially economic, financial, business, social, cultural, or artistic' are generally out (Section 2, Section 3). But there's a key exception: if the process 'cannot be practically performed without the use of a machine or manufacture,' then it can be eligible. So, a new business strategy on its own? Probably not. A new software that executes that strategy and is essential for it? Maybe. The bill, in Section 2 and Section 4, tries to shut down just tacking 'do it on a computer' onto an idea to make it patentable if the computer isn't truly essential.

Judging Your Invention: A 'Big Picture' Approach, But What Does It Mean?

One of the most significant shifts in this bill is how patent eligibility would be decided. Section 3 states that an invention must be considered 'as a whole,' without ignoring any part of it, and critically, 'without regard to...whether an element is known, or the state of the art.' This is a big deal. Traditionally, whether parts of your invention were already known could influence if it was seen as just an obvious tweak. This new approach could mean that combining existing technologies or ideas in a new way might more easily pass the initial eligibility test, even if the building blocks themselves aren't new.

It's important to remember, as Section 2 notes, that other hurdles like being truly new (under 35 U.S.C. § 102), not obvious (under 35 U.S.C. § 103), and clearly described (under 35 U.S.C. § 112) would still need to be cleared to actually get the patent. But this change to the eligibility step could fundamentally alter what kinds of innovations get their foot in the door at the patent office.

The Real-World Ripple Effect: More Innovation, or More Lawsuits?

Okay, so what does all this mean for everyday folks, inventors, and businesses? On one hand, the argument will be that this clarity could spark more innovation, especially in fields like biotech and software where patent eligibility has been murky. If you've developed a slightly modified natural compound with a new use, or a complex algorithm, this bill might make it easier to protect your work.

However, there are some pretty big 'watch-outs' here. The language around 'unmodified' versus 'altered' natural materials or genes (Section 3) could become a battleground. How much modification is enough? This could impact researchers who rely on access to genetic information or natural substances if slightly tweaked versions become patented and locked down. For businesses, especially smaller ones, a broader scope of patentable things could mean navigating a minefield of existing patents – what some call 'patent thickets.' This could lead to more expensive legal fights. If it becomes easier to patent combinations of known elements (due to the 'as a whole' assessment in Section 3), we might see a flood of patents that some could argue don't represent truly groundbreaking invention, potentially stifling rather than encouraging innovation by making it harder to build on existing ideas. This Act is trying to fix confusion, but it might just be trading one set of complexities for another.