The Mishnah quotes 17 laws by R. Judah, and the Baraita about 40; he was also a prolific aggadist.
He must have lived before the destruction of the Temple, since he prevented a pagan in Jerusalem from partaking of the Paschal offering.
Thereupon he received the message: "Hail to thee, Rabbi Judah ben Bathyra!
[1] Since R. Judah was not present himself at the Passover in Jerusalem, it may be concluded that he was far advanced in years, although as a citizen of a foreign land he was not bound by the law which demanded the celebration of the Passover at Jerusalem.
[10] It is evident from the cases quoted in the Tosefta[11] that R. Judah b. Bathyra (probably the earliest one by that name) did not quite keep pace with the halakhah as it was formulated in Israel, and represented rather the earlier standpoint.