Why, you might ask, is the subject of Free or Fee still being discussed almost 20 years after the world’s first “free” patent databases were launched in the 1990s? One of them, IBM’s Patent Server as ...

Though private databases may offer collated data from many patent offices, the best starting point is generally the free online databases of national patent offices, and the best approach is an ...

Michigan Tech's Free Inactive Patent Search. Users can type in keywords in the webpage on a desktop or smartphone. The database of inactive patents is searched and the results are hyperlinked to the ...