Both infringe on and infringe upon are correct. Upon is usually more formal.
Use infringe on in most everyday and professional writing. Infringe upon has the same meaning but sounds more formal or legalistic.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Infringe on is the most common modern pattern.
Infringe upon has the same meaning as infringe on but sounds more formal.
In legal English, infringe can directly take nouns such as copyright, patent, or trademark.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
On and upon are the normal choices after infringe.
✕ The law infringes against our rights. ✓ The law infringes on our rights.Infringe usually refers to violating rights, laws, or limits.
✕ The noise infringed on my breakfast. ✓ The noise disturbed my breakfast.Rights and freedoms are often used without the before a general plural noun.
✕ The policy infringes on the privacy rights. ✓ The policy infringes on privacy rights.Choose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Not exactly, but it is more formal and more common in legal or official writing.
Yes. Legal nouns such as copyright, patent, and trademark can directly follow infringe.
On is more natural in most modern everyday and business writing.
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