In our previous blog post, we covered claim construction, Markush Groups, and dependent claim invalidation. As stated previously, while it is impossible to cover all of the various issues related to claim drafting for biotech, chemical and pharma patent applications, in Part II we will highlight some more of the most common issues that may come up, including changes to the law around indefiniteness; product-by-process and means plus function claims; and negative claim limitations.

Full Article Available Here