The early years
- Four UC Berkeley graduate students develop a peer review application for use in graduate student classes.
- Founders build a prototype of Turnitin that detects unoriginal content in student written work.
- iParadigms, the parent company of Turnitin, is incorporated.
- Turnitin partners with CrossRef and develops iThenticate to serve scholarly publishers.
- Turnitin releases WriteCheck to provide students with formative writing tools.
2009 - present
- Warburg Pincus acquires a majority stake in Turnitin.
- Turnitin for Admissions is released to detect plagiarism in college applications.
- Turnitin2 is released with a tighter integration of originality checking, online grading and peer review, layered on top of the paper in its original form.
- Turnitin acquires nLearning and establishes its International headquarters in Newcastle, UK.
- Turnitin announces a partnership with Educational Testing Service to incorporate its ETS® e-rater® technology into Turnitin.
- Translated matching is released in February 2011 to help detect plagiarized content that has been translated from English.
- Turnitin grows to over 150 employees in 2012.
- Turnitin processed over 80 million papers in 2012.
- 190,000 papers are submitted per day with 500,000 papers submitted on peak days.
- Turnitin records service uptime of 99.9% and average turnaround time of 13 seconds per paper.
- GradeMark is rapidly re-inventing how papers are graded, and is doubling in usage each year. Turnitin celebrated its 20 millionth GradeMark review in October 2012.
- Turnitin supports 15 languages: English (US), Arabic, Chinese (Traditional and Simplified), Dutch, Finnish, French, German, Italian, Japanese, Korean, Portuguese, Spanish, Swedish and Turkish.
- Turnitin integrates with more than 50 Course Management Systems, including Blackboard, Moodle, Instructure Canvas, Desire2Learn, Pearson Learning Studio, and Sakai.
- Turnitin uses three databases for content matching:
- 24+ billion web pages crawled
- 300+ million archived student papers
- 120+ million articles from 110,000+ journals periodicals & books
- Turnitin serves over
- 1 million active instructors
- 20 million licensed students
- 10,000 educational institutions
- Turnitin customers include 56% of the top 100 high schools listed on U.S. News and World Report's America's Best High Schools in 2010.
- Of the top 100 colleges and universities in the 2010 U.S. News and World Report Best Colleges list, 69% are Turnitin customers.
- 51% of Turnitin instructors teach subjects other than English, writing, composition, or communications.
- Turnitin customers are located in 126 countries.