The German Embryo Protection law from January 1991 strictly forbids embryo research.
It definitely forbids fertilizing eggs, creating embryos or donating embryos for another purpose than inducing a pregnancy in the egg-donor as concluded from §1 (partially cited above) and §2 (partially cited below).
German Embryo Protection Law
§2 Misuse of human embryos
(1) Whoever sells, buys or uses an embryo before transfer or donates the embryo for another reason than its development and survival will be punished with a prison sentence of up to 3 years or with a fine
(2) Whoever cultures an embryo in vitro for another reason than inducing a pregnancy will also be punished.
The translations of the german original text of the German Embryo protection law have been done as a service to English speaking members. However, the author cannot guarantee that it is an exact translation and refers to the official German version in case of doubt.