A possible fourth title has copyrighted by square:
Word Mark FINAL FANTASY HAERESIS XIII

Goods and Services IC 009. US 021 023 026 036 038. G & S: Computer game software; video game software; sound recordings in the form of optical discs, magnetic discs and/or semiconductor ROMs featuring music and/or fictional stories; audio visual recordings in the form of optical discs, magnetic discs and/or semiconductor ROMs featuring music and/or animated fictional stories; prerecorded compact discs featuring music; prerecorded video discs featuring music and/or animated fictional stories; prerecorded video cassettes featuring music and/or animated fictional stories; decorative magnets; mouse pads; straps for cellular phones; sunglasses; blank memory cards; memory card cases; CD cases; video game controllers; downloadable computer graphic software containing wallpapers for computers and/or mobile phones; downloadable screensavers for computers and/or mobile phones; downloadable video recordings featuring cartoon characters and/or video game characters; downloadable musical sound recordings; downloadable sound recordings using human voices featuring morning calls and/or wake-up call messages; downloadable ring tones for mobile phones; downloadable electronic publications in the nature of magazines, journals and/or newsletters in the field of computer games, video games, cartoons and/or general entertainment
IC 016. US 002 005 022 023 029 037 038 050. G & S: Computer game strategy guidebooks; video game strategy guidebooks; a series of books featuring fictional stories and/or fantasy stories; graphic art books; song books; musical score books; comic books; magazines featuring computer games, video games, cartoons and/or general entertainment; posters; stickers; paper banners; calendars; post cards; pens; pencils; pencil caps; pen cases; drawing rulers; rubber stamps; notebooks; collectors' cards; trading cards; photographs; photograph stands

IC 028. US 022 023 038 050. G & S: Dolls; toy figures; plush toys; stuffed toys; inflatable toys; toy vehicles; toy guns; toy swords; playing cards; card games; board games; jigsaw puzzles; hand held video game units

IC 041. US 100 101 107. G & S: Providing on-line computer games and/or on-line video games; providing information on computer game strategies and/or video game strategies via computer networks and/or global communication networks; providing information on entertainment in the field of computer games, video games, card games, animated cartoons, comics, novels and/or magazines; providing on-line non-downloadable comics; providing on-line non-downloadable magazines in the field of computer games, video games, cartoons and/or general entertainment

Mark Drawing Code (3) DESIGN PLUS WORDS, LETTERS, AND/OR NUMBERS
Design Search Code 26.17.13 - Letters or words underlined and/or overlined by one or more strokes or lines; Overlined words or letters; Underlined words or letters
Serial Number 78873711
Filing Date May 1, 2006
Current Filing Basis 1B;44E
Original Filing Basis 1B;44E
Owner (APPLICANT) Kabushiki Kaisha Square Enix (also trading as Square Enix Co., Ltd.) CORPORATION JAPAN 3-22-7 Yoyogi, Shibuya-ku Tokyo JAPAN
Attorney of Record Mark I. Peroff
Type of Mark TRADEMARK. SERVICE MARK
Register PRINCIPAL
Live/Dead Indicator LIVE
A 'logo' for Haeresis, done by Yoaka Amano, the image illustrator and title logo designer for Fabula Nova Crystallis, has now been published, although no additional artwork pertaining to the title has been officially released as of yet.

Just thought i'd keep you guys informed!