Bill Rojas, analyst for IDC in Hong Kong, said Motorola's allegations, even though unproven, could make add to Huawei's difficulties expanding in the U.S., where it has been less successful than in other markets.

WSJ: Motorola's Suit Poses Challenge for Huawei's Success

But already businessmen in Hong Kong are warning that the passage of the trade bill won't lead to overnight changes.

BBC: Hong Kong hopes for trade boost