Fruit that grows on a tree whose trunk stays from year to year gets Borei Pri Ha'etz.
After eating: Borei Nefashot, after eating a kezayit or drinking a revi'it.
Bracha on pear
BeforeHa'etz
AfterBorei Nefashot
בָּרוּךְ אַתָּה ה׳ אֱלֹקֵינוּ מֶלֶךְ הָעוֹלָם, בּוֹרֵא פְּרִי הָעֵץ
Baruch atah Hashem, Elokeinu melech ha'olam, borei pri ha'etz.
Blessed are You, Hashem our God, King of the universe, who creates the fruit of the tree.
This follows the common ruling of most poskim. For different customs or a specific question, ask a rabbi.