home >> research >> search patents

Search Patents

The patent searches in this database use key terms based on product features such as "selective filtration." These terms are found in tobacco industry documents and tobacco product publications. Many patents are very general in their terminology, making it difficult to associate the patents with specific products.

TobPRAC is able to make a predicted relevance about a patent's association with a product. However, TobPRAC cannot guarantee that the patents listed relate specifically to the associated products.