Regen BioPharma Inc (RGBP)

[ADVFN_franknstein]

Obviously you're right again.
CheckPoint Immunology, what was first time officially mentioned here

CheckPoint Formed as a Subsidiary of the Company to Simplify any Potential Future Transactions Involving the Company's NR2F6 Technology
https://finance.yahoo.com/news/regen-biopharma-inc-licenses-nr2f6-130000603.html

does no longer exist. It was a Nevada company like all the others but is currently no more listed.
If one search NVSOS by officer name David Koos following companies are listed
BOMBARDIER PACIFIC VENTURES, INC.
VENTURE BRIDGE, INC.
BIO-MATRIX SCIENTIFIC GROUP INC
BMXP HOLDINGS SHAREHOLDERS BUSINESS TRUST
ENTEST BIOMEDICAL, INC.
REGEN BIOPHARMA INC.
ZANDER THERAPEUTICS, INC.
KCL THERAPEUTICS, INC.
BLACKBRIAR PARTNERS, INC.

Possibly they changed the name because of the existence of other co. with same name and a bunch of trademarks for different versions of "Checkpoint", "CheckPoint", "Check Point" and so on.