eCFR Analyzer

U.S. Copyright Office (COLC)

208,713Words in 25 parts
13.0Restriction density (per 1,000 words)
19.7Reading grade
0.0%Unchanged since 2017
1Flagged parts
2026-08-13Last change

Section changes per year

From the eCFR versioner, for the parts that the agency owns now. Before 2017 is the baseline load.

Text and size

Sentences
35.5 words on average; 29.6% over 40 words; 36.3% passive; 11.3 cross-references per 1,000 words
Sentence types
definition 2.6% · prohibition 3.0% · paperwork 12.3% · obligation 19.8% · permission 11.7% · other 50.6%
Checksum
91682a60bc6cf672237d2ef2ef3271248a700d6657689c6b2703b6a3035b78d4

Review candidates in this agency

RankPartWordsScore
446 top 10% 37 CFR 210 COMPULSORY LICENSE FOR MAKING AND DISTRIBUTING PHYSICAL AND DIGITAL PHONORECORDS OF NONDRAMATIC MUSICAL WORKS
High signals: Size +1.8 SD · Reading grade +1.4 SD · Directive share +1.2 SD · Paperwork share +1.0 SD
 48,001 0.79
1,879 37 CFR 222 PROCEEDINGS
High signals: none above 1 SD; ranked by the combined score
 14,238 0.31
2,046 37 CFR 201 GENERAL PROVISIONS
High signals: Size +2.0 SD
 63,428 0.26
2,282 37 CFR 232 CONDUCT OF PARTIES
High signals: Paperwork share +1.5 SD · Directive share +1.2 SD · Restriction density +1.0 SD
 2,215 0.21
2,476 37 CFR 227 DEFAULT
High signals: Restriction density +2.8 SD · Directive share +1.3 SD
 1,622 0.16
2,488 37 CFR 226 SMALLER CLAIMS
High signals: Restriction density +1.9 SD · Directive share +1.5 SD
 1,879 0.16
2,690 37 CFR 202 PREREGISTRATION AND REGISTRATION OF CLAIMS TO COPYRIGHT
High signals: Size +1.7 SD
 40,890 0.11
3,093 37 CFR 225 DISCOVERY
High signals: Directive share +1.0 SD
 4,894 0.02
3,156 37 CFR 211 MASK WORK PROTECTION
High signals: Paperwork share +1.1 SD
 2,804 0.01
3,830 37 CFR 220 GENERAL PROVISIONS
High signals: Paperwork share +1.1 SD
 2,120 -0.14
4,464 37 CFR 205 LEGAL PROCESSES
High signals: none above 1 SD; ranked by the combined score
 5,089 -0.30
4,559 37 CFR 212 PROTECTION OF VESSEL DESIGNS
High signals: none above 1 SD; ranked by the combined score
 3,165 -0.33
4,780 37 CFR 234 LAW STUDENT REPRESENTATIVES
High signals: none above 1 SD; ranked by the combined score
 1,231 -0.38
5,175 37 CFR 223 OPT-OUT PROVISIONS
High signals: none above 1 SD; ranked by the combined score
 2,311 -0.50
5,577 37 CFR 203 FREEDOM OF INFORMATION ACT: POLICIES AND PROCEDURES
High signals: none above 1 SD; ranked by the combined score
 8,028 -0.63
6,106 37 CFR 204 PRIVACY ACT: POLICIES AND PROCEDURES
High signals: none above 1 SD; ranked by the combined score
 1,945 -0.90

Score: the mean of six signals, in standard deviations (SD). Across the CFR, the top 641 of 6,402 ranked parts (10%) get a flag for review; this list shows 16. A flag is not a finding.

Statutes behind the most text

  • 17 U.S.C. 702: 108,626 words in 20 parts (52.0% of this agency's text)
  • 17 U.S.C. 304: 63,428 words in 1 parts (30.4% of this agency's text)
  • 17 U.S.C. 115: 48,001 words in 1 parts (23.0% of this agency's text)
  • 17 U.S.C. 408: 40,890 words in 1 parts (19.6% of this agency's text)
  • 5 U.S.C. 552: 9,973 words in 2 parts (4.8% of this agency's text)

From the authority notes. A citation is not proof that the statute requires the rule.

Largest parts

  • 37 CFR 201: GENERAL PROVISIONS (63,428 words)
  • 37 CFR 210: COMPULSORY LICENSE FOR MAKING AND DISTRIBUTING PHYSICAL AND DIGITAL PHONORECORDS OF NONDRAMATIC MUSICAL WORKS (48,001 words)
  • 37 CFR 202: PREREGISTRATION AND REGISTRATION OF CLAIMS TO COPYRIGHT (40,890 words)
  • 37 CFR 222: PROCEEDINGS (14,238 words)
  • 37 CFR 203: FREEDOM OF INFORMATION ACT: POLICIES AND PROCEDURES (8,028 words)
  • 37 CFR 205: LEGAL PROCESSES (5,089 words)
  • 37 CFR 225: DISCOVERY (4,894 words)
  • 37 CFR 212: PROTECTION OF VESSEL DESIGNS (3,165 words)
  • 37 CFR 211: MASK WORK PROTECTION (2,804 words)
  • 37 CFR 223: OPT-OUT PROVISIONS (2,311 words)

Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.