Architects shouldn't be stifled by their disdain for copying successful ideas, from Assemble's pop-up cinema to Shigeru Ban's cardboard structures, says Phineas Harper in his latest Opinion column. More
Confectionary giant Mondelez and British chain Poundland are locked in a feud over the discount store's new Toblerone-esque chocolate bar called Twin Peaks. More
The organisers of Swiss fair Art Basel have filed a lawsuit against Adidas for using the event's name and branding without permission on a limited-edition pair of trainers. More
Following on from Balenciaga's recent take on the IKEA Frakta bag, Los Angeles fashion brands Pleasures and Chinatown Market have made a baseball hat from the 40p tote. More
Luxury fashion brand Balenciaga has designed a large blue tote bag that bears a striking resemblance to IKEA's iconic Frakta bag, but with a significantly higher price tag. More
Artist Jeff Koons has teamed up with fashion house Louis Vuitton to create a collection of bags and accessories featuring imitations of some of the world's most famous paintings. More
Melbourne Design Week has put the focus on Australia's legal replica furniture market with an exhibition of fake Jasper Morrison chairs that have been burned, cut, glitter-bombed and otherwise altered. More
Copyright protection lasts too long and should be shortened, according to musician David Byrne, speaking at a design festival at the new A/D/O space in New York this weekend. More
German brand e15 is taking IKEA to Germany's highest court over a bed it claims is copied from one of its own designs. More
Craft, technology and "evolving notions of copying" are among the themes explored by one of the broadest collections of Asia-centric design, which has just gone on display in Hong Kong's new West Kowloon Cultural District. More
Swedish fashion brand Acne Studios has stopped sales of a pair of its sandals following allegations they were copied from a shoe designed for children in developing countries. More
Recent changes to UK copyright law might not give furniture designers the protections they expect, according to intellectual property lawyer Margaret Briffa. More
Norman Foster, Calvin Klein and Dieter Rams are among over 100 high-profile designers that have sided with Apple as it continues an ongoing patent case against tech rival Samsung. More
New copyright laws in the UK have come into effect, banning replicas of some of the most-copied icons of 20th century furniture design – including pieces by Arne Jacobsen, and Charles and Ray Eames (+ slideshow). More
Online retail giant Amazon is celebrating the birthday of legendary designer Charles Eames with a pinboard that collects together replicas of his designs sold on the site. More
Discount supermarket chain Aldi is selling pairs of replica Eames chairs for £39.99 – a fraction of the £339 it costs to buy a single authorised version of the chair. More
Venice Architecture Biennale 2016: scale reproductions of Nefertiti's bust and a shelter used by refugees in Calais' Jungle are among the myriad replicas of cultural artefacts included in a V&A-curated show about the value of copying (+ slideshow). More
Business news: American furniture brand Emeco has accepted an out-of-court settlement from IKEA after accusing the Swedish giant of copying the design of one of its chairs. More
Children's suitcase brand Trunki has lost its legal battle with Hong Kong rival Kiddee, after the UK's Supreme Court ruled that design rights had not been infringed. More
Opinion: after Dutch designer Daan Roosegaarde was forced into an awkward discussion about the ownership of his projects, Louise Schouwenberg suggests that "star" individuals shouldn't be getting all the credit. More