Bandai&#x2F;Namco certainly do hold multiple registered trademarks on PAC-MAN, at least in Europe. They cover not just the video game side[1], but everything from kitchen appliances[2] to lotteries[3] and even beer[4].<p>[1] <a href="https:&#x2F;&#x2F;www.ipo.gov.uk&#x2F;tmcase&#x2F;Results&#x2F;4&#x2F;EU004977906" rel="nofollow">https:&#x2F;&#x2F;www.ipo.gov.uk&#x2F;tmcase&#x2F;Results&#x2F;4&#x2F;EU004977906</a><p>[2] <a href="https:&#x2F;&#x2F;www.ipo.gov.uk&#x2F;tmcase&#x2F;Results&#x2F;4&#x2F;EU000361600" rel="nofollow">https:&#x2F;&#x2F;www.ipo.gov.uk&#x2F;tmcase&#x2F;Results&#x2F;4&#x2F;EU000361600</a><p>[3] <a href="https:&#x2F;&#x2F;www.ipo.gov.uk&#x2F;tmcase&#x2F;Results&#x2F;4&#x2F;EU003574076" rel="nofollow">https:&#x2F;&#x2F;www.ipo.gov.uk&#x2F;tmcase&#x2F;Results&#x2F;4&#x2F;EU003574076</a><p>[4] <a href="https:&#x2F;&#x2F;www.ipo.gov.uk&#x2F;tmcase&#x2F;Results&#x2F;4&#x2F;EU008125031" rel="nofollow">https:&#x2F;&#x2F;www.ipo.gov.uk&#x2F;tmcase&#x2F;Results&#x2F;4&#x2F;EU008125031</a>