This report, the first of two iterations of the OntoCommons Standardisation Impact report, provides a state of the art of European contributions to Ontologies and semantic interoperability in the international standards arena and how, thanks to those, OntoCommons.eu has contributed to progressing on the the harmonisation of data documentation and interoperability of data across materials and manufacturing domains. It goes on to outline how the Ontocommons.eu demonstrators, the Expert Advisory Group (EAG), consortium partners and related activities and projects all serve to progressing activities in the standardisation landscape, by providing important user requirements for standardisation and the materials and modelling domain perspective, with the objective of making standards more harmonised and applicable across different domains.