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Measuring Changes in Software IP






By Bob Zeidman and Nik Baer of Zeidman Consulting

As software developers we have often asked ourselves, “What is our software worth? ” As expert witnesses in IP litigation, we have often been asked the same question of our client’s software. The factors that go into determining software value are numerous and varied, including the amount of effort involved in developing the code, amount of time debugging the code, the complexity of the code, the degree of expertise required, the selling price of the finished program, and the size of the market for the final product. Quantifying the source code itself is only part of the valuation process, and there are many good methods to use.

Sometimes, though, it can be useful to measure not the absolute value of software, but the amount of change in the software and the intellectual property  it represents. In a recent tax case, the taxes owed by a software company rested on the value of a current version of software with respect to the value of the initial version of the software created some years back. While financial analysts argued about the value of that initial software and the IP that the code embodied, we devised a means to measure the changes in the software from one version to another. The measure is called Changing Lines of Code or “CLOC.” An estimated valuation of the changes was then calculated by combining the CLOC measurements with the monetary value of the initial IP.

Traditional Methods

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