This is a good check list of how to scope a project, especially when you are working across multiple functions.
Legal Project Management (LPM) is a growing skill set for in-house legal teams. The section highlighted below, is an essential point. The scope and logistics of a project do change and if some cases change often. As an LPM specialist, you have to ensure that you and your project plan are flexible enough to "go with the flow".
Also, remember to hold a detailed debrief at the end of the project as well as an invaluable "lessons learnt" session. Secondly, try and train on the basic tools essential for project management, for example advanced Excel. This is key to running any project effectively.
A lot of project and underlying business change can occur during a long running project so it is important to have regular milestone "project progress and purpose review" meetings to check not just what progress has been made but also to check whether the ongoing direction of the project remains appropriate. Good record management, project governance and change control processes will greatly enhance these reviews.