The present invention relates to certain substituted piperidino phenyloxazolidinones. Specifically, the invention relates to geminally disubstituted piperidino phenyloxazolidinones having antimicrobial activity with improved pharmacokinetic profile. The invention also relates to processes for the preparation of compounds of the present invention, pharmaceutical compositions containing the compounds of the present invention and the methods for treating or preventing microbial infections using the compounds of the present invention.