Note (September 2026): An earlier version of this article said an essay must be 100% original and that a contract is the only legal way to use someone else’s writing. That was wrong: copyright does not protect ideas, and fair use, public-domain works and open licenses also allow lawful use.
Plagiarism is presenting someone else’s words or ideas as your own without credit; it is an academic and ethical offense rather than a crime in itself. Copyright infringement is copying protected expression without permission, which is a legal matter. Citing sources prevents plagiarism, while fair use, public-domain works and licenses let you use copyrighted material lawfully.
Key Takeaways
- Plagiarism and copyright infringement are different: plagiarism is about false authorship, while copyright infringement is about using protected material without the owner’s consent.
- Copyright never protects ideas, concepts or facts, only the way they are expressed (17 U.S.C. 102(b)), so you can build on another writer’s ideas if you credit them.
- In the United States, fair use allows quotation for purposes such as criticism, comment, teaching, scholarship and research, judged case by case on four statutory factors.
- US copyright in works created since 1978 generally lasts for the author’s life plus 70 years, and it applies automatically once a work is fixed in a tangible form.
- Buying an essay and submitting it is contract cheating; in England, providing or advertising such services has been a criminal offense since the Skills and Post-16 Education Act 2022.
Many students carry a heavy workload and will have multiple writing assignments at a single time. Unfortunately, some papers are written in haste and students may resort to plagiarism to complete an assignment on time. Plagiarism is simply not allowed and you may receive failing grades if you are caught.
Plagiarism and Copyrighting when Writing Essays
Copyright infringement is also something that many students engage in, though they may not even be aware they are doing so.
Here, we provide more information on plagiarism and how you can avoid it. We also offer some tips on copyright infringement and how you can use information from others without it being an infringement.
Understanding Plagiarism
Plagiarism is the act of using another person’s information or writing without proper acknowledgment of the source being used. It is possible to cite sources and include quotes in an essay as long as you provide credit to the original source.
By doing so, you will avoid plagiarism and will not have any worries. Plagiarism can lead to serious consequences for students like failing grades and even suspension from the university.
There are some great tools that are available to help students check their work before submitting it so they can ensure it is free from plagiarism.
Always remember to cite sources used when writing anything that is not an original or unique idea. Students often see advertisements for the best essay writing service, but submitting work bought from such a service is contract cheating, which institutions treat as academic misconduct. A better route is to learn to quote, paraphrase and cite correctly, and to use the similarity checker your school provides before you submit.
Understanding Copyright
As soon as an original work is fixed in a tangible form, such as words written on paper or typed into a file, it is protected by copyright automatically. In the United States, that protection generally lasts for the author’s life plus 70 years, according to 17 U.S.C. 302. Copyright law restricts copying someone else’s protected work without permission, while passing another person’s work off as your own is plagiarism, which schools penalize even when no copyright law is broken.
Copyright covers not only written words but also sound recordings, graphics, images and more, all of which may be used when you are creating an essay.
Copyright does not protect ideas themselves: under 17 U.S.C. 102(b), protection never extends to any idea, concept, principle or discovery, only to the way it is expressed. You can build on another person’s ideas if you credit them, and you can quote their exact words within limits, because US fair use covers purposes such as criticism, comment, teaching, scholarship and research. Copying large amounts of protected text without permission, however, can still mean breaking copyright laws. A contract or license is only one way to use something someone else has written legally; fair use, works in the public domain and openly licensed material such as Creative Commons works are others.
Copyright questions also arise with essays bought online. Many writing services will allow you to pay for someone to create an essay. Under 17 U.S.C. 204(a), a transfer of copyright ownership is valid only if it is in writing and signed by the owner, so an essay produced by a hired writer can remain that writer’s property unless such a transfer is signed.
A written contract can settle who owns the copyright in a piece of writing, but it does not make it acceptable to submit someone else’s work for credit: that is contract cheating whoever owns the copyright. Check your institution’s policy before using any paid writing help.
Conclusion
Writing an essay can be a daunting task for some students, and rushed work is where plagiarized passages most easily slip in.
We all understand that students can have a hectic schedule and limited time to complete assignments, but to ensure the best grades and to avoid any copyright or plagiarism issues, always make your content your own!
What Is the Difference Between Plagiarism and Copyright Infringement?
Plagiarism and copyright infringement overlap, but they are not the same thing. Plagiarism is a false claim of authorship: using another person’s words or ideas to gain credit without acknowledging them. Copyright infringement is a violation of a copyright holder’s rights, when material protected by copyright is used without consent.
One act can be both, either, or neither. Copying a paragraph from a public-domain play by William Shakespeare without quotation marks is plagiarism but not infringement, because no copyright applies. Reproducing a whole copyrighted article with full credit avoids plagiarism but can still infringe copyright.
| Aspect | Plagiarism | Copyright infringement |
|---|---|---|
| Core problem | Claiming authorship of work that is not yours | Using protected material without the owner’s consent |
| Who deals with it | Schools, universities, employers and publishers | Courts, under copyright law |
| Is it a crime? | Not in itself; no current statute names plagiarism | A legal wrong; the owner of a US work must generally register it before suing |
| Does citing fix it? | Yes, correct citation and quotation marks prevent it | Not by itself; fair use or permission decides |
| Applies to ideas? | Yes, uncredited ideas can be plagiarized | No, copyright never protects ideas |
| Applies to public-domain works? | Yes | No |
| Typical consequences | Failing grades, suspension, expulsion, loss of reputation | Legal claims by the copyright owner |
Common Forms of Plagiarism in Student Essays
A 2015 survey of teachers and professors by Turnitin identified 10 main forms of plagiarism that students commit. They include:
- Submitting someone else’s work as your own.
- Taking passages from your own earlier work without citing it, known as self-plagiarism.
- Rewriting someone’s work without properly citing the source.
- Using quotations without citing where they came from.
- Weaving several sources together without citing them.
- Citing some, but not all, of the passages that need a citation.
Self-plagiarism surprises many students. Reusing an essay you wrote for another course without saying so counts, so ask your instructor before resubmitting earlier work and cite the original.
How Long Does Copyright Last?
In the United States, copyright in a work created on or after January 1, 1978 lasts for the author’s life plus 70 years (17 U.S.C. 302(a)). For anonymous works, pseudonymous works and works made for hire, the term is 95 years from first publication or 120 years from creation, whichever expires first.
Copyright is automatic. According to the US Copyright Office, a work is protected the moment it is created and fixed in a tangible form, and registration is voluntary, although a US work must be registered before its owner can sue for infringement. The Berne Convention, ratified by 182 states as of November 2022, applies the same principle internationally: authors do not need to register or apply for copyright in member countries.
When Can You Legally Use Someone Else’s Work in an Essay?
Students have four main lawful routes to using other people’s material, and each still requires a citation to avoid plagiarism.
- Fair use (United States). Section 107 of the US Copyright Act says fair use for purposes such as criticism, comment, news reporting, teaching, scholarship or research is not an infringement. Courts weigh four factors: the purpose and character of the use, including whether it is commercial or nonprofit educational; the nature of the work; the amount used relative to the whole; and the effect on the market for the original.
- Public-domain works. Works whose copyright has expired or never existed, such as the works of William Shakespeare, can be used without permission.
- Open licenses. Creative Commons licenses let authors allow others to share and build on their work under stated conditions, such as non-commercial use only. The current 4.0 license suite was released in November 2013.
- Permission. A license or written permission from the copyright owner covers uses that go beyond fair use.
There is no safe word count. The US Copyright Office states that no formula guarantees that a set percentage or number of words, lines or pages may be used without permission, because courts decide fair use case by case.
How to Avoid Plagiarism: Step by Step
- Record sources while you research. Note the author, title, date and page or URL for every source as you read, so nothing loses its origin later. Our guide on conducting academic research for any topic covers this stage.
- Quote exactly and mark it. Put another writer’s exact words in quotation marks and cite them immediately.
- Paraphrase properly, then cite. Rewrite the idea in your own words and sentence structure, and still credit the source, because the idea is not yours.
- Cite ideas, data and images, not only words. Statistics, charts, photos and arguments all need a citation.
- Use the citation style your instructor requires and keep it consistent across the essay and the reference list.
- Check before you submit. Similarity-checking software such as Turnitin compares submissions against databases of existing text, including known essay-mill papers, so running your draft through your school’s checker lets you fix missed citations first.
Planning helps as much as checking. A clear outline, as described in our guide to structuring a university-level essay, leaves time to write in your own words instead of copying under deadline pressure. More practical advice is in these tips to improve academic writing.
Are Essay Mills and Contract Cheating Legal?
Contract cheating means having a third party complete all or part of an assignment that the student then submits as their own. It is plagiarism in its most serious form, and a growing number of jurisdictions now target the businesses that sell it.
- England: The Skills and Post-16 Education Act 2022, which became law in April 2022, made it a criminal offense to provide or arrange contract cheating services in commercial circumstances for students at post-16 institutions, sixth forms and higher education providers in England, and to arrange advertisements for them. Students who use such services do not commit an offense under the Act, but their institutions can still discipline them.
- Australia: Providing academic work to students became illegal in 2020, and since August 2022 access to contract cheating websites has been blocked nationally.
- New Zealand: It is illegal to advertise or provide third-party assistance to cheat.
- Ireland and Austria have passed similar prohibitions.
- United States: 17 states have some form of law against academic cheating services. In Florida, selling, offering to sell or advertising an assignment for submission is a second-degree misdemeanor, punishable by up to 60 days in prison.
Contract cheating is not rare. A 2017 meta-analysis of five studies found that 3.5% of 1,378 students reported having bought assignments to submit as their own.
Does AI-Generated Text Raise Plagiarism or Copyright Issues?
Generative AI adds a new layer to both questions. On copyright, the US Copyright Office concluded in Part 2 of its Copyright and Artificial Intelligence report, published January 29, 2025, that AI outputs can be protected only where a human author has determined sufficient expressive elements, and that providing prompts alone is not enough. Using AI to assist a larger human-written work does not by itself bar protection.
On plagiarism, the answer depends on the rules of each institution and each assignment. Submitting AI-written text as your own work can breach an academic integrity policy even when no copyright is involved, so read the course policy and disclose AI use wherever it is required. Scholars have also noted that some essay-mill laws are drafted broadly enough that they may reach general-purpose generative AI systems.
For writing and editing help that keeps the work yours, the text and writing tools on Justwebworld and our research paper tips are a good next step.
Frequently Asked Questions
Is plagiarism illegal?
Plagiarism is generally not a crime in itself, and no current statute names it as an offense. It is treated as a serious academic and ethical violation, with penalties such as failing grades, suspension or expulsion. If the copied material is protected by copyright, the same act can also be copyright infringement.
Can I quote a copyrighted source in my essay?
Yes, within limits. In the United States, fair use permits quotation for purposes such as criticism, comment, teaching, scholarship and research, judged on four factors including how much of the work is used. Short, cited quotations that support your own analysis are the usual academic practice.
Does citing a source protect me from copyright infringement?
Citing a source prevents plagiarism, but it does not by itself make a use lawful. Fair use is decided case by case on four statutory factors, and attribution is not one of them, so copying large portions of a protected work can infringe even with a citation.
Is it illegal to buy an essay?
In England, providing or advertising commercial contract cheating services has been a criminal offense since 2022, but the student who uses the service does not commit an offense under that Act. Submitting a bought essay is still contract cheating, and institutions treat it as academic misconduct.
How long does copyright last on a book or article?
In the United States, a work created on or after January 1, 1978 is protected for the author’s life plus 70 years. Anonymous and pseudonymous works and works made for hire last 95 years from publication or 120 years from creation, whichever ends first.
Do I need to cite a source if I paraphrase it?
Yes. Paraphrasing changes the wording, but the idea still comes from the original author, so it needs a citation. Rewriting someone’s work without properly citing it is one of the forms of plagiarism identified in Turnitin’s 2015 survey of educators.
