PRODUCT-BY-PROCESS CLAIMS

SUBMITTED BY

V.SUHASINI

PRODUCT-BY-PROCESS CLAIMS

• A product-by-process claim defines at the same product made a different process

• In May 2009 the Court of Appeals for the Federal Circuit in Abbott Labs

ExamplesApproval claimPreparation of paracetamol tablets

1. Liquid starch → fluidized → wet granulation → paracetamol

binder bed dryer method tablet

2. Dry starch → roller → dry granulation→ paracetamolbinder compactor method tablet

Rejected claim

Prepation of metal carboxylate

1. Zinc + carboxylic acid →zinc carboxylate

2. Ag + carboxylic acid → Ag carboxylate