Is it possible to get an improvement patent on my own previous (and now expired) design patent?

Most patents received are for "improvements" over something that already exists. If your new designs are independently novel and non-obvious over...

How can I protect a patent idea from being stolen, or imitated?

Unfortunately, the tradeoff for getting a patent IS providing that knowledge to the public in accordance with the Constitution, Art. I, Section 8,...

Do I have to get a license from the other patent holder if my patent includes some of their claims?

Your question mis-understands several basic concepts of patent law: prior art, dominating patents and infringement. First, if someone (prior...

Without opining on any specifics of Illinois law relating to the topic, it sounds like your complaint really has nothing to do with the law, it has...

My patent lawyer R.W. has gone incommunicado. Patent process failing.

I agree with my colleagues but wonder where R.W. was in between leaving Carter/Schnedler and joining the Schapiro Group. You don't need to post...

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Anything written in the old PPA can be corrected in a new one (you just abandon and do not reference the old one). A new PPA cannot buy you back...

What is the best way to express many alternatives in the claims of a mechanical invention?

Your description should include all the different alternatives and variations and, spell out the different permutations and combinations...

I am not a California-admitted attorney but, in general, to preclude evidence in a civil litigation, you would either: (a) file a "motion in...

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A provisional application can be sold. The real question is whether anyone would buy it. Much will depend upon the subject matter and how well it...

What the difference between civil litigation and criminal prosecution.

In the American judicial system, civil litigation relates to a dispute between two parties. At worst, one party may be compelled to pay the other...