“The OAPEN Foundation and De Gruyter have developed a framework agreement that outlines good practice for retroactive open access to books and chapters resulting from research funded by the European Research Council (ERC) under the 7th EU Research Framework Programme (FP7).

Since FP7 did not include a strict open access mandate for publications, publications resulting from these grants are generally not freely accessible. The framework agreement between De Gruyter and the OAPEN Foundation supports authors by establishing compliance with the “best effort” requirement to make publications open access….”