Paperback Software International Ltd. was a software company founded in 1983 by Adam Osborne to manufacture discount software such as word processor Paperback Writer and related spell checker Paperback Speller, spreadsheet VP-Planner, database VP-Info, and the VP-Expert artificial intelligence software. VP-Planner was developed by James Stephenson of Stephenson Software Ltd. VP-Expert was developed by Brian Sawyer. The company was headquartered in Berkeley, California.
Paperback Software, a company founded by Adam Osborne, was found guilty of copyright infringement for using Lotus 1-2-3's look-and-feel interface in its own spreadsheet program.
On June 28, in the year 1990, Paperback Software, a company founded by Adam Osborne, was found guilty of copyright infringement for using Lotus 1-2-3's look-and-feel interface in its own spreadsheet program. This event is recorded as a Selected Events event in the history of June 28, a notable event in this corner of history.
Key Facts
- This event took place on June 28, 1990 (AD era).
- It is categorised as a Selected Events event in recorded history.
- Referenced in 6 Wikipedia articles.
- Wikipedia source last updated on 27 April 2026.
On This Date in History
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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