ePRO and eDiary IP Information
PHT founder Steve Raymond, Ph.D., received five patents for his work that eventually became the current ePRO industry. Here, you can read more about PHT's intellectual property relating to eDiaries.
Patent Information
PHT Corporation's market-leading ePRO products are manufactured or produced under one or more of the following United States Patents:
- 5,778,882 (1998)
- 6,095,985 (2000)
- 6,282,441 (2001)
- 6,440,069 (2002)
- 6,640,134 (2003)


