Quick Summary
Patent infringement occurs when a patented invention is made, used, sold, offered for sale, or imported without the patent owner’s authorization. Common forms include direct, indirect, contributory, willful, and literal infringement, each with distinct legal requirements and potential consequences. Willful infringement may result in enhanced damages, while literal infringement depends on whether every element of a patent claim is present. Businesses can reduce infringement risks by conducting freedom-to-operate analyses, monitoring competitor patents, obtaining legal opinions, and documenting product development throughout the innovation process.
Patent infringement is among the most complex and high-stakes areas of intellectual property law. When competitors or unauthorized parties use, make, sell, or import a patented invention without permission, the financial and reputational damage can be severe.
As patent infringement attorneys, we at Stanzione & Associates, PLLC have extensive experience advising clients on how to identify, prevent, and respond to all types of patent infringement.
Below, we outline the five types that most frequently give rise to formal legal action.
Direct Patent Infringement
Direct infringement is the most straightforward form. It occurs when a party performs every step of a method claim or makes, uses, sells, offers for sale, or imports a product that incorporates every element of a patent claim, all without authorization from the patent holder.
No proof of intent is required; the act alone constitutes infringement. This is the most commonly litigated form of patent and infringement disputes in U.S. federal courts.
Indirect Patent Infringement
Indirect infringement occurs when a party facilitates or enables another party’s direct infringement. It comes in two forms: induced infringement and contributory infringement. Induced infringement involves actively encouraging or instructing another party to infringe, while contributory infringement involves supplying a component specifically designed for use in an infringing product when that component has no other substantial non-infringing use.
Both forms require that the accused party had knowledge of the patent involved. Our patent attorney team can evaluate whether indirect infringement claims apply to your situation and advise on the best course of action.
Contributory Patent Infringement
While contributory infringement is technically a subset of indirect infringement, it is worth examining separately given how often it surfaces in litigation. A party is liable for contributory infringement when they knowingly sell or offer to sell a component that is used in a patented combination or process, knowing the component is especially designed for use in an infringing manner and has no substantial non-infringing use.
Examples include selling a specialized part that is uniquely compatible with a patented device. Courts scrutinize whether the accused party had actual knowledge of the patent and whether the component serves any meaningful purpose other than enabling infringement.
Willful Patent Infringement
Willful infringement is particularly damaging because it can result in enhanced damages of up to three times the compensatory award under 35 U.S.C. § 284. It arises when the infringing party knew of the patent and deliberately chose to proceed anyway, demonstrating a wanton disregard for the patent holder’s rights. Courts consider whether the defendant had a reasonable, good-faith basis to believe its conduct was lawful. This is why obtaining patent opinions from qualified counsel is critical when launching a new product in a competitive space.
Literal Patent Infringement
Literal infringement occurs when an accused product or process includes every element recited in a patent claim, word for word. It is the clearest form of infringement to establish because there is a direct, element-by-element correspondence between the patent claims and the accused product or method. Courts apply the plain meaning of the claim language to determine whether literal infringement exists, making precise claim drafting essential.
If literal infringement cannot be proven, patent holders may still succeed under the Doctrine of Equivalents, which extends protection to products or methods that perform substantially the same function in substantially the same way to achieve substantially the same result. Our attorneys are skilled in both theories of recovery.
How To Protect Yourself From Patent Infringement Claims
- Conduct a freedom-to-operate analysis before launching new products
- Obtain patent opinions from experienced counsel
- Monitor competitor patents in your industry
- Work with an IP attorney during product development
- Document your design choices and development process thoroughly
This will help you protect yourself from patent infringement claims.
Contact Stanzione & Associates, PLLC
Whether you need to enforce your patent rights or defend against an infringement claim, Stanzione & Associates, PLLC is ready to protect your interests. Our founding attorney served as a Supervisory Patent Examiner at the USPTO and has helped some of the world’s largest corporations obtain over 4,500 patents.
We are recognized by Intellectual Asset Management Magazine as one of the top ten patent procurement firms in the US for quality.
Contact us today to schedule a consultation with our legal team.
FAQs
What is patent infringement?
Patent infringement is the unauthorized making, using, selling, or importing of a patented invention without the patent holder’s permission, which can result in significant legal liability and financial damages.
Can someone infringe a patent without knowing about it?
Yes. Direct infringement does not require knowledge or intent. However, willful infringement, which carries enhanced damages, requires proof that the infringer knew about the patent and deliberately proceeded anyway.
What damages are available in a patent infringement lawsuit?
Patent holders may recover lost profits or reasonable royalties, and courts can award up to three times those damages in willful infringement cases, plus attorney fees in exceptional circumstances.
