Several years later, he listed the term as a trademark with the United States government.

VOA: special.2010.03.28

That's certainly my trademark; that's how I do my research also.

这就是我的准则,也是我做研究的方法

耶鲁公开课 - 基础物理课程节选

Here is Al Jolson singing what became his trademark song, "Swanee."

VOA: special.2009.02.08

The United States Patent and Trademark Office said no.

VOA: special.2010.07.16

The color became a trademark for Adair.

VOA: special.2009.03.22

Peter Dernbach is a lawyer at Winkler Partners, the Taipei-based law firm that represented Herms in the trademark infringement suit.

VOA: standard.2009.04.23

Apolo Anton Ohno, who still sports his trademark "soul-patch" [of facial hair just above his chin, says his hard work has paid off.

VOA: standard.2010.02.23

Of course,energizing crowds with his message of world peace and harmony was a Bob Marley trademark.

VOA: standard.2010.07.22

That year,he first performed his trademark moonwalk dance, gliding backwards while appearing to walk forward.

VOA: standard.2009.06.26

But officials here are making no secret of their unease about his reported plan to pitch his trademark Bedouin tent at the New Jersey residence of Libya's U.N.mission chief during his stay.

VOA: standard.2009.08.24