Popular unicode sequences

[Marcus]

Trademark (TM)=\u2122
Copyright (C)=\u00A9
All right reserved (R)=\u00AE
Bullet (*)=\u2022
Euro sign=\u20AC
Per Mille Sign=\u2030
Cent Sign=\u00A2
Pound Sign=\u00A3
Yen Sign=\u00A5
Section Sign=\u00A7

And, since I was educated at the comp. sci. department at KTH:

Small delta=\u2202
Capital delta=\u2206


Math:
Infinity=\u221E
Integral=\u222B
Degree=\u00B0