Privacy engineering is on the run and the upcoming EU Data Protection Regulation further pushes the requirement of Privacy by Design (PbD). So there is a need for guidelines and patterns on how to implement PbD and there are some recent developments and publications. The OWASP Top 10 Privacy Risks Project published hints and best practices on how to avoid privacy risks in web applications. On privacypatterns.eu you can read about how to implement pseudonymous messaging or protection against tracking among others. Also privacypatterns.org provides valuable information.