The same law firm working for Hillary Clinton and the Democratic National Committee will be helping Google with its effort to get voters to the polls in November, bolstering conservative fears that the tech giant is working to help liberal causes and Democratic candidates.

"The fact that Google's information is coming from Hillary Clinton's law firm is likely to unsettle some Republicans," said a Republican attorney in Washington, D.C., who was familiar with the firm's reputation. "Particularly at a time when Internet platforms have been suppressing conservative speech, and because Google is already perceived by some as having a Democratic bias."

Last week, the Seattle-based law firm Perkins Coie announced that it will provide some of the data needed for Google to offer a new poll finder on the site that includes Election Day information like identification requirements, deadlines, and absentee voter instructions.

The project includes some of the data Google already collects as part of its "Civic Information API," a data collection program available to developers seeking to build applications that help engage users in the democratic process. That kind of information could include names, addresses, elected officials, and identifying features that Google already collects.

The remainder needed for the new voting tool, like deadlines for when to register and rules for absentee voting, may well be entirely nonpartisan. But that may not be enough to assuage conservatives who still believe Google could find a way to manipulate the data in favor of Democrats, especially after Google was accused of favoring left-leaning news stories and candidates.

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Already this year, the search engine has been hit with accusations that it distorted certain features, like the site's "autocomplete" feature, to favor Democratic candidates. The site has taken some measures to combat those accusations, like removing a large picture of a smiling Hillary Clinton that appeared whenever users tried to search for the election date up until a few months ago.

Skeptics remain unconvinced. Rick Hasen, a high-profile liberal attorney who authors the Election Law Blog, was one of the first observers to note the implications of Google's partnership with the Clinton-linked law firm. "This looks to be super useful to voters," Hasen wrote on Thursday, "but I suspect we will hear some Republican complaints on the partnership with one of the top Democratic law firms."

Even some Democrats have found reason to be critical of Perkins Coie. Those who supported Vermont Sen. Bernie Sanders in his presidential bid against Clinton have long complained about the firm's decision to work simultaneously for the DNC and for Clinton, arguing that it was a conflict of interest.

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The claim became especially contentious when Sanders accused Clinton of circumventing party fundraising rules. The issue was revived in July when hacked DNC emails released by WikiLeaks revealed that firm partner Marc Elias, who also serves as general counsel to Clinton's campaign, advised four DNC officials on how to defend against the accusation.

"My suggestion is that the DNC put out a statement saying that the accusations the Sanders campaign are not true," Elias wrote in a May email to DNC CEO Amy Dacey, communications director Luis Miranda, chief financial officer Brad Marshall, and chief operating officer Lindsey Reynolds.

"Just as the RNC pushes back directly on Trump over 'rigged system', the DNC should push back DIRECTLY at Sanders and say that what he is saying is false and harmful the Democratic party," Elias added.

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Of the four officials to whom Elias wrote, only Reynolds remains in her post. Dacey, Marshall and Miranda all resigned in early August over revelations included in the WikiLeaks dump that they had worked to give Clinton an improper advantage during the primary campaign.

WikiLeaks founder Julian Assange has also argued that Google is "directly engaged" in Clinton's campaign. He has pointed to Google Chairman Eric Schmidt, who funded a startup called "The Groundwork" to provide the Clinton campaign with digital consulting services, and to Jared Cohen, the former State Department employee who now serves as president of Jigsaw, a Google subsidiary that works to influence global politics through the use of technology.

Perkins Coie declined a request for comment on the partnership with Google, and said it cannot talk about its clients. Google similarly declined to talk about the issue, but pointed to previous statements indicating that the project is intended to promote nonpartisan civic engagement.