No. The election is done. Legally, no further votes can be cast at this point. The vount count is wrapping up, but it's just a formality at this point because we're upwards of 99% mathematically certain of how the count will go, and Joe Biden wins.
Trump's lawsuits will be processed either as serious complaints about criminal fraud or, more likely, as frivolous lawsuits - but that's not part of the election. That's post-processing. When Jill Stein tried to organize a mass recount four years ago, you didn't consider that to be "the election is still in progress", did you?