Case T-325/04: Judgment of the Court of First Instance of 27 February 2008 — Citigroup v OHIM — Link Interchange Network (WORLDLINK) (Community trade mark — Opposition proceedings — Application for Community word mark WORLDLINK — Earlier national figurative mark LiNK — Relative ground for refusal — Likelihood of confusion — Restriction of services covered in the trade mark application — Identity of services — Similarity of signs — Articles 73 and 74 of Regulation (EC) No 40/94)