Question:
One can still say it from the Gemara even after the zman for saying it has passed, or one can say without Sheim UMalchus.
Answer:
One can always read it from the gemorah like the Chasam Sofer did when he wanted to make a bracha "שחלק מחכמתו" on Hagaon Reb. Mashulam Igra.
Sources:
