Stopwords are terms that appear so frequently in patent text that they lose their usefulness as search terms. These stopwords occur in the following fields in the US Patent Full Text Database:
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The following words are considered stopwords and are not searchable terms in the US Patent Full Text Database. Although they are not indexed as search terms, they will be displayed in your search results.
a | has | such |
accordance | have | suitable |
according | having | than |
all | herein | that |
also | however | the |
an | if | their |
and | in | then |
another | into | there |
are | invention | thereby |
as | is | therefore |
at | it | thereof |
be | its | thereto |
because | means | these |
been | not | they |
being | now | this |
by | of | those |
claim | on | thus |
comprises | onto | to |
corresponding | or | use |
could | other | various |
described | particularly | was |
desired | preferably | were |
do | preferred | what |
does | present | when |
each | provide | where |
embodiment | provided | whereby |
fig | provides | wherein |
figs | relatively | which |
for | respectively | while |
from | said | who |
further | should | will |
generally | since | with |
had | some | would |