What is Preemption Checking?
What does "substantially the same" mean?
How does preemption checking actually work?
Conduct searches for articles and/or book chapters in:
Check all proprietary databases for published articles.
Tips for Searching Proprietary Databases
Search Library Catalogs for published chapters.
Tips for searching Library Catalogs
Sometimes an article has been accepted/written but not yet published.
Some will be captured in catalog/working papers searches
Databases to consider (find these through the University Library within the U-M Library Catalog):
Google Advanced Searches:
Blogs often note when new working papers or law review articles are published. These blogs tend to post most regularly about new works.
Legal Materials: Journals & Other Secondary Sources
Legal Materials: Books & Monographs
*should be captured by WorldCat
Interdisciplinary Materials: Journals, News, Dissertations, etc.
Interdisciplinary Materials: Books & Monographs
Any Other Materials:
Identify via U-M Library Search, research guides, etc.
Try the Preemption Checking CALI lesson: http://www.cali.org/lesson/8989