Our Company

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.

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.