The phrase "successfully proven" is grammatically correct and can be used in written English.
Example: The accused was successfully proven guilty in a court of law.
No one has successfully proven the diary's authenticity, or lack thereof, nor can anyone say for sure what exactly Opal's lineage was.
He is a living example of how anyone with enough drive and blind self-belief can make money off peddling arse music to kids, who, he has successfully proven, will listen to practically anything they're told to".
It really hurts when we have successfully proven services and a great reputation for innovation that we are being relegated to 'a bit part role' of one off interventions which we know will not work in addressing the needs of this client group.
Nevertheless, a viable solution to this drawback has been successfully proven via kinase affinity purification techniques.
Industrial operation with this catalyst has successfully proven its high performance.
The panel said the firms had not successfully proven they had no connection to China's government and military.
"Newspapers around the world are successfully proving their value to advertisers despite booming competition," said Kilman.
The high-fashion designer who has most successfully proved that sex sells is Tom Ford, whose clothes and marketing for Gucci have long reflected a calculated disco-era decadence.
The four companies have since been fighting the civil antitrust class action, arguing that the plaintiffs cannot successfully prove an overarching conspiracy to impact wages.
Murray again got the better of a challenge on the next point, successfully proving that a Djokovic forehand had landed just long.
Although Kazinsky has successfully proved that there is life beyond the UK soaps, he's well aware that landing a Hollywood role is not an instant passport to fame and fortune – or even professional satisfaction.
