Although Samsung is up to date on its fees, the firm is still indebted because of late payment charges

Microsoft has opened up a lawsuit against Samsung, claiming the Korean manufacturer owes the PC manufacturer $6.9m (£4.3m) for interest on late payments.

Samsung and Microsoft have two agreements in place with Microsoft, a cross-licensing agreement and a business collaboration agreement, with the latter stating Samsung will promote its Windows smartphones and tablets.

Read more: IT Pro