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Objectory Systems was a software company based in Sweden that was instrumental in the development of Object-oriented program design. Founded in 1987 by Ivar Jacobson, the company developed Objectory, an object-oriented development method which was an extension of what is known as the Ericsson Approach, a modeling language developed at Ericsson. This language featured state charts with activity diagrams, as well as sequence diagrams.
 | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (November 2019) |
| Industry | Software Engineering |
|---|---|
| Founded | 1987 |
| Founder | Ivar Jacobson |
| Defunct | 1991 |
| Fate | Acquired by Rational Software Corporation |
| Headquarters | |
| Products |
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In 1991, Ericsson purchased a substantial amount of the stake in Objectory Systems. As a result, Objectory Systems became known as Objectory AB — a subsidiary of Ericsson. In 1995, Rational Software Corporation acquired the subsidiary.
- What You Didn’t Know About RUP a Jacobson presentation about RUP — Rational Unified Process
- Use Cases: Yesterday, Today, and Tomorrow
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