inventing and patenting

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Across
  1. 8. ideas protected by law
  2. 11. turn into a product
  3. 14. protection for brands
  4. 16. a problem in design
  5. 17. change an industry in a big way
  6. 22. illegal copying
  7. 24. project grows beyond plan
  8. 25. how close to the final product
  9. 26. how well it works with little waste
  10. 28. fake product
  11. 30. how possible something is
  12. 33. a fault
  13. 35. ability to work successfully
  14. 36. where users interact with a system
  15. 37. works well without wasting time or energy
  16. 38. a model showing design
  17. 39. what something can do
  18. 40. easy to use or get
  19. 41. how long it lasts
Down
  1. 1. how consistently it works
  2. 2. person who is first to do something new
  3. 3. evaluation
  4. 4. how often errors happen
  5. 5. a weakness
  6. 6. how correct something is
  7. 7. when it stops working
  8. 9. something it cannot do
  9. 10. a test version of a product
  10. 12. how well something works
  11. 13. how easy it is to use
  12. 15. a software error
  13. 18. ability to interact
  14. 19. how well it works without failing
  15. 20. protection for creative work
  16. 21. data processed immediately
  17. 23. a problem in how it works
  18. 27. repeat steps to improve something
  19. 29. protection for inventions
  20. 31. being new
  21. 32. a small technical problem
  22. 34. learn by trying and making mistakes