2 votes

Under what circumstances can A+B be patented if A and B are already patented?

It is patentable if it meets the requirement of non-obviousness or inventive step, depending on how you call it. If it is obvious to combine A and B to solve the problem, then it is not patentable.
2 votes
Accepted

Regarding partial overlap with pending patent of combination of (non-novel) methods

First question - Can a reference with A and C keep a claim for A and B from being patented? Maybe - To be patentable a claim needs to be novel and non-obvious. Novelty is easy. If it is different ...
  • 26.1k
2 votes

Combining 2 inventions risk

You can try to combine them into one patent but the patent authority may not allow you to. If you do, you should have separate claims covering each function. As long as there are separate claims, no ...
  • 9,259
1 vote

Under what circumstances can A+B be patented if A and B are already patented?

My perspective is that the result of the combination is more likely patentable if result is unexpected or surprising to someone skilled in the field. Lets say chemical A increases a drugs potency by ...
  • 9,259
1 vote

Combining multiple items to make a kit with some non obvious knowledge is required

Yes, in theory, the "case" having a new and non-obvious characteristic for handling magnetic fields may be patentable as an article of manufacture. A person attempting to obtain such a patent would ...
  • 261
1 vote

Is the language '[a] method as claimed in any preceding claim" only available if a special fee is paid for combinations, variation or permutations?

Multiple dependencies are strongly discouraged in the U.S. Here they are thought of as potentially confusing. In much of the world they are thought of as a way to have more compact wording. In the U.S....
  • 26.1k
1 vote
Accepted

Is the language '[a] method as claimed in any preceding claim" only available if a special fee is paid for combinations, variation or permutations?

It will depend upon the jurisdiction the patent application is in. Some jurisdictions let you do that without having to pay any additional fees, for example the EPO, most European jurisdictions, ...
1 vote
Accepted

References for making patents for pharmaceutical drugs in the U.S

You may want to check out ANDA Litigation at https://www.amazon.com/ANDA-Litigation-Strategies-Pharmaceutical-Litigators/dp/1634254589 Yes, the book is expensive, but it's also exhaustive. It talks a ...

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