Arise when a patent application discloses two or more distinct inventions. In such a situation, the patent office can require, or the applicant can decide, that the application should be divided into one application per invention. The additional applications are called Divisional Applications or simply Divisionals. The upside of divisional is that the applicant will get an additional patent – the downside is additional fees (patent offices are jealous of their fees and determined not to cover twi inventions for a single set of fees.) See Omnibus Disclosure, Provisional Application.